Audio-Technica│ATH-CKR55BT Bluetooth wireless headset

High-definition sound quality is achieved by using a vibration-damping brass vibration suppression ring to suppress unwanted resonance The new design of the Ø10.7mm drive unit, the compact body also provides a wide frequency response. Built-in amplifier to improve the resolution of each range and wide sound field performance. High-quality design for optimal balance of tone and wear 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/0IdPn3q.jpg https://i.imgur.com/Rg886u1.jpg 【Product specifications】 【headset】 Type: moving coil type Drive unit: Ø 10.7mm Output sensitivity: 103dB/mW Frequency response: 5 to 35,000 Hz Impedance: 16Ω 【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; the line of sight is within 10m 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 17g Size: about 12.5X15.5X4.5/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) •fixing clip x1 • Carrying a bag 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). 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 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.