Audio-Technica│ATH-CKR75BT Bluetooth wireless headset

High-precision drive unit with high efficiency and excellent resolution Ø11.8mm dedicated drive unit with precise design to improve sound quality. Built-in amplifier to improve the resolution of each range and wide sound field performance. Precision cutting aluminum metal case that suppresses unwanted resonance Battery compartment Clip-On clips, which can be stably fixed to the rear collar for easy use. Multi-function controller for listening to music, video playback and calls Corresponding to high-quality aptX / AAC encoding https://i.imgur.com/deDUlAB.jpg https://i.imgur.com/WBB9LGq.jpg 【Product specifications】 【headset】 Type: moving coil type Drive unit: Ø 11.8mm Output sensitivity: 108dB/mW Frequency response: 5 to 40,000 Hz Impedance: 19Ω 【microphone】 Type: back pole type capacitor Directivity: omnidirectional Sensitivity: -44dB (1V/Pa, at 1kHz) Frequency response: 100~10,000Hz [Bluetooth Transmission Specifications] Communication method: Bluetooth standard specification Ver.4.1 The farthest communication distance: within 10m of good line of sight Frequency range of use: 2.4GHz (2.402GHz ~ 2.480GHz) Modulation method: FHSS Support Bluetooth protocol: A2DP, AVRCP, HFP, HSP Support code: Qualcomm® aptXTM audio, AAC, SBC Support content protection: SCMS-T mode Transmission band: 20 ~ 20,000 Hz 【other】 Power: DC3.7V lithium polymer rechargeable battery Charging time: about 3 hours* Possible time of use: continuous communication (when playing music): up to about 7 hours* Standby time: up to about 200 hours* Weight: about 17.8g Size: about 12X15.5X7/cm Origin: Japanese design, made in China Material: aluminum metal, electronic parts Operating temperature range 5 ° C ~ 40 ° C ※Depending on the environment used. ●Accessories • USB cable for charging (30cm, USB Type-A / Micro USB Type-B) • Earplugs (XS, S, M, L) • Fixed clip X1 • Carrying box X1 ●Replacement (sold separately) • Earplugs: ER-CKM55XS, S, M, L [Product Warranty] Non-human damage to the original factory warranty for one year [Returns need to know] 1. In accordance with the provisions of the Consumer Protection Law, consumers are entitled to the seven-day appreciation period of the goods (the non-trial period of the appreciation period). The earphones are classified as personal hygiene products, and they are deemed to be purchased when unpacking. Be sure to think twice before ordering or unpacking the goods. In order to avoid affecting their rights and interests 2. The return limit is brand new and unopened. 3. In case of new products, please inform the customer service to handle it for you. 4. New product 瑕疵 exchange, please keep the outer packaging and contents of the accessories intact, if the packaging carton is dirty or severely torn, can not be restored to the original state, or the accessories are lost, can not accept the exchange 【Precautions】 1. Bluetooth headset related time varies depending on personal use, phone settings and ambient/temperature 2. Due to differences in computer screen settings and personal perception, the product images of this store are for reference only, subject to the actual product received. 3. If the product specifications are incorrect, they will be based on physical objects. 4. Please follow the operation instructions and precautions in the product manual before use. 5. If there are any errors in the above specifications, the information published by the original factory shall prevail.