https://live.staticflickr.com/65535/50515865421_ee7def9db8_o_d.jpg https://live.staticflickr.com/65535/50516033997_6ba0ba71b2_o_d.jpg https://live.staticflickr.com/65535/50515865371_a9b8d0152e_o_d.jpg The full-range 5 linear hybrid driver composed of quad dedicated Balanced Armature drivers to produce bass, mid, mid-high, high frequency and one specially tuned dynamic driver to produce sub bass. Our signature 5 linear driver design delivers clarity and spaciousness with deeper bass and sharper response. The Core Array Technology ™ aligns all acoustic components coaxially in the structure to increase efficiency, transfers sound waves more accurately and reduces distortion. It produces unrivaled sound quality and a spacious soundstage. https://live.staticflickr.com/65535/50515865361_ee2e889761_o_d.jpg https://live.staticflickr.com/65535/50515865381_d3b87a6d85_o_d.jpg MMCX detachable cable design allows you to upgrade or swap headphone cables to fine-tune your X5i sound. You can also turn the X5i into a Bluetooth headphone with the optional MAS XX Bluetooth Cable or turn the X5i into a 3D surround gaming headset with the optional MAS XX USB-C Headphone Cable. The audiophile grade silver-coated Oxygen-Free Copper (OFC) cable is designed to link to your other audio equipment to give finer detail, smoother treble and faithfully reproduced musical expression. https://live.staticflickr.com/65535/50516033907_7942277b06_o_d.jpg https://live.staticflickr.com/65535/50515150613_95a144307f_o_d.jpg The remote cable allows you to make calls and select tracks on your iOS or Android mobile devices. Its high quality MEMS microphone delivers incredibly clear voice quality. (Note: Please note that some mobile devices may not fully support the remote because of different Apps or operation systems.) https://live.staticflickr.com/65535/50515865276_14bb96313c_o_d.jpg https://live.staticflickr.com/65535/50515150573_f7496c27a4_o_d.jpg Utilizing high quality CNC metal parts, special rust proof anti-fingerprint surface treatment and delicate handcrafted assembly, the X5i features premium build quality. https://live.staticflickr.com/65535/50516033837_fce1e10a4e_o_d.jpg https://live.staticflickr.com/65535/50516033817_4ca80f1757_o_d.jpg Thanks to the compact 5-driver earbuds, 4 antibacterial silicon ear-tips, 3 memory foam ear-tips and 3 proprietary ear-wings, the X5i provides comfortable and steady fits even used for extended period. With the earbud magnet-clipping design and carrying pouch, the X5i is easy to carry and perfect for travelling. https://live.staticflickr.com/65535/50515150478_01de0704da_o_d.jpg https://live.staticflickr.com/65535/50516033672_abaef44587_o_d.jpg Equipped with the specially designed antenna and high quality components, the XX Bluetooth Cable features superior wireless audio transmission and stable connectivity. https://live.staticflickr.com/65535/50515150413_ea609dd11b_o_d.jpg https://live.staticflickr.com/65535/50515150418_107f7b48af_o_d.jpg All MAS X-series headphones can be transformed into wireless headphones with the XX Bluetooth Cable. Swap between wired and wireless with ease, with the patented Bluetooth module cable design to allow an analog connection if you run out of Bluetooth power. https://live.staticflickr.com/65535/50515864971_28d4c3fc6d_o_d.jpg https://live.staticflickr.com/65535/50515150318_278c9a7f1c_o_d.jpg The XX Bluetooth Cable includes a proprietary amplifier specially designed to drive all MAS X-series headphones efficiently. https://live.staticflickr.com/65535/50515864881_82be6644a5_o_d.jpg https://live.staticflickr.com/65535/50516033517_fa25237c67_o_d.jpg The XX Bluetooth Cable is equipped with high quality components and superior electronics design to provide you with more than 12 hours continuous listening time on a single charge. https://live.staticflickr.com/65535/50516033497_8027e0a15b_o_d.jpg https://live.staticflickr.com/65535/50515150253_87b470f79e_o_d.jpg With the specially designed antenna and high quality components, the XX Bluetooth Cable provides superior wireless audio transmission and stable connectivity. The remote control of the XX Bluetooth Cable allows you to adjust volume, to skip, play and pause; also answer and end calls on your smart devices. https://live.staticflickr.com/65535/50515864806_870482aa95_o_d.jpg https://live.staticflickr.com/65535/50516034037_0dd1c0c544_o_d.jpg All MAS X-Series Headphones and Earbuds are compatible with separate MAS XX accessories which offer a range of connection and connectivity options for today’s mobile devices. X5i Bluetooth Combo included MAS XX 3.5MM Cables include a remote cable to allow you to make calls and select tracks on your iOS or Android mobile devices, and a silver-coated OFC cable to link to your other audio equipment with maximum audio fidelity. The MAS XX Bluetooth Cable connects to your mobile devices via Bluetooth. Optional MAS XX Cables ● The MAS XX Type-C Headphone Cable with Hi-Res Audio DAC connects to your mobile devices via USB-C port for enjoy high quality digital music and 7.1 channel 3D surround sound. https://www.youtube.com/watch?v=iWf6cGPrmvE https://live.staticflickr.com/65535/50515864816_6e9805ab43_o_d.jpg https://live.staticflickr.com/65535/50515864786_6d65d86516_o_d.jpg https://www.youtube.com/watch?v=r9bpCKEgLAY https://live.staticflickr.com/65535/50515150213_c4774e027a_o_d.png Specification ● Driver Unit - 10mm Dynamic + 4 Balanced Armatures ● Impedance - 12Ω ● Frequency Response - 5-70,000Hz ● Sensitivity - 105db/mW(@1kHz) ● Bluetooth Version - Bluetooth 4.2 Version ● Operating Frequency - 2.4 ghz ● Distance Range - 10 Meters ● Play Time - More than 12 Hours on a single charge ● Charger - USB DC 5V Accessory Kit ● A silver-coated OFC cable ● A remote cable with MEMS microphone ● Four sets of antibacterial silicon ear tips(S/M/M/L) ● Three sets of memory foam ear tips(S/M/L) ● Three pairs of MAS XX Earwings(S/M/L) ● A soft carrying pouch ● USB Charging Cable ● A product warranty card WARRANTY The original MAS product you have purchased is covered by warranty of 12 months. The warranty period begins on the date of purchase of brand new, unused products by the first end user. Please retain your sales receipt and your Warranty Card as proof of purchase. If you are not able to submit proof of purchase, the product manufacture date recorded by MAS will be deemed to be the start of the warranty period. An extra 6 months extended warranty period is offered and activated once product registration on the MAS official website is completed. The product is warranted by MAS to be free from defects in material and/or workmanship within the warranty period. MAS agrees to remedy such defects by repairing or replacing at its option any product provided it is sent prepaid to the address listed below within the warranty period. MAS shall not be liable for incidental or consequential damages arising out of or resulting from the use of the product or breach of contract or warranty. Attn: MAS AUDIO SCIENCE Warranty Return Address: MAS AUDIO SCIENCE Taiwan Service Center: 9F-1, NO.150, FUXING NORTH ROAD, TAIPEI CITY 104, TAIWAN, R.O.C. MAS AUDIO SCIENCE Hong Kong Service Center: UNIT 2601, 26/F., MEGA TRADE CENTRE, 1-6 MEI WAN STREET, TSUEN WAN., N.T., HONG KONG The warranty does not cover: damage resulting from abnormal or commercial use; modifications by you of the product; cosmetic damage; any defect resulting from abuse, misuse, accident, shipping, failure to follow product instructions; problems caused by you; problems caused by maintenance or repair of the product by anyone other than MAS or a MAS ’s designated party; or damage caused by liquid. Any damage from accessories (casings, housings, pouches, head band parts, ear cups, ear buds, extension cables, adaptors, battery etc.) is not covered by this warranty. Opening, disassembling or re-assembling the product or attempting to open, disassemble or re-assemble the product may cause damage that this warranty does not cover. This warranty is void if the product is returned with any alterations or modification. It is required to submit the product to MAS for inspection to confirm the alleged defect. MAS will not provide coverage under this warranty unless you comply with all terms.