Audio-Technica│ ATH-CKR70TW High Quality True Wireless Headphones

https://live.staticflickr.com/65535/50921496006_e9b45cd47e_o.jpg 【system】 Communication method: Bluetooth standard specification Ver.5.0 Communication frequency band: 2.402GHz～2.480GHz Communication distance: within about 10m with good line of sight Modulation method: FHSS Support Bluetooth protocol: A2DP, AVRCP, HFP, HSP Support Code: SBC Support content protection: SCMS-T Transmission frequency range: 20～20,000Hz RF RF output power: 10mW EIRP NCC Type Approval Number: Left earphone: CCAJ20LP2350E0, Right earphone: CCAJ20LP2340E7 【earphone】 Type: closed moving coil type Drive unit: Ø5.8mm Output sensitivity: 100dB/mW Frequency Response: 20～20,000Hz Input Impedance: 16Ω Power Type: Headphone: DC 3.7V Li-ion Battery; Charging Box: DC 3.7V Li-ion Battery Charging time: Headphones: about 1.5 hours*/ Charging case: about 2 hours*(* Varies according to usage conditions) Battery life: Continuous playback (when playing music): up to approx. 6.5 hours*(headphones), up to approx. 19.5 hours*(when used with charging case) (* Varies depending on usage conditions) Operating temperature range: 5°C～40°C Call microphone type: MEMS type Call microphone directivity: omnidirectional Call microphone sensitivity: -38dB (1V/Pa, 1kHz) Call microphone frequency response: 100～10,000Hz Weight: Headphones: about 5.2g (L side), about 5.2g (R side); charging case: about 34.2g Accessories: 30cm USB cable for charging (USB Type-A to Type-C), earplugs (XS, S, M, L) 【Product Warranty】 Non-artificial damage original two-year warranty 【Return and Exchange Instructions】 1. According to the Consumer Protection Law, consumers enjoy the rights and interests of a seven-day appreciation period of products (appreciation period is not a trial period) Because earphones are personal hygiene products, unpacking is deemed to be a purchase. Please think twice before ordering or unpacking products, so as not to affect your own rights and interests 2. Returns are limited to new and unopened packages. Unpacking is deemed to be a purchase. 3. In case of new product defects, please notify customer service to deal with it for you 4. If the new product is defective, please keep the outer packaging and content accessories intact. If the packaging carton is dirty or severely torn, it cannot be restored to its original state. Or lost accessories, will not accept replacement 【Precautions】 1. The relevant time of the Bluetooth headset varies depending on personal usage, mobile phone settings and the surrounding environment/temperature 2. Due to differences in computer screen settings and personal perception, the pictures of products in this store are for reference only, and the actual products received shall prevail 3. If the product specification is wrong, it will be based on the actual product 4. Please follow the operating instructions and precautions in the product manual before use 5. If there are any errors in the above specification data, the data released by the original factory shall prevail