Audio-Technica│ATH-CK150BT Bluetooth wireless headset microphone set

High quality sound that any music type can enjoy Small ears can also be easily applied Waterproof rating IPX2 Up to 7 hours of full charge Good airtightness, not easy to leak Controller with operation and volume adjustment for playback and call https://i.imgur.com/4pYHfo7.jpg 【Product specifications】 【system】 Communication method: Bluetooth standard specification Ver.5.0 Communication frequency band: 2.4GHz (2.402~2.480GHz) Communication distance: within 10m of good line of sight Modulation method: FHSS Support for Bluetooth protocols: A2DP, AVRCP, HFP, HSP Support code: SBC Support content protection: SCMT-T Transmission frequency range: 20~20,000Hz NCC type certification number: CCAJ19LP6320E6 【headset】 Type: Closed moving coil type Drive unit: Ø8.8mm Output sensitivity: 100dB/mW Frequency response: 20~20,000Hz Input impedance: 16Ω Power type: DC3.7V lithium polymer rechargeable battery (built-in) Charging time: about 2 hours Battery life: (up to 7 hours when playing music) Operating temperature range: 5~40°C Call microphone type: capacitive type Call microphone pointing characteristics: omnidirectional Call microphone sensitivity: -42dB (1V/Pa, at1kHz) Call microphone frequency response: 100~10,000Hz Weight: 12.5g Accessories: 30cm USB charging cable, silicone earplugs (XS, S, M, L) Sold separately: replacement earplug ER-CKM55 [Product Warranty] Non-human damage to the original factory for one year (the warranty does not include earphone accessories) [Returns and Exchanges] 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). Since the earphones are personal hygiene products, they should be purchased as they are unpacked. Please confirm before unpacking, so as not to affect them. Self-interest 2. The return limit is brand new and unopened. 3. In case of new products, please inform the customer service to handle the replacement 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.