Audio-Technica│ATH-CK3TW true wireless headphones

Automatic power ON/OFF to provide a smooth listening experience Built-in wear sensor, can automatically determine whether to wear, perform pause and playback functions Suppress surrounding noise, provide clear hands-free call quality on both the left and right sides https://i.imgur.com/yK78p0t.jpg 【Product specifications】 【system】 Model: ATH-CK3TW Communication method: Bluetooth standard specification Ver5.0 Communication frequency band: 2.4 GHz (2.402GHz～2.480GHz) Communication distance: within 10m of good line of sight Modulation method: FHSS Support Bluetooth protocol: A2DP, AVRCP, HFP, HSP Support code: Qualcomm® aptX™ audio, SBC Support content protection: SCMS-T Transmission frequency range: 20～20,000Hz NCC type certification number: CCAH19LP5740T5 【headset】 Type: Closed moving coil type Drive unit: Ø5.8mm Output sensitivity: 98dB/mW Frequency response: 20～20,000Hz Input impedance: 16Ω Power type Headphones: DC3.7V lithium-ion rechargeable battery (internal) Charging box: DC3.7V lithium polymer battery (internal choke) Charging time: earphone: about 2 hours battery box: about 2.5 hours* * It varies according to the conditions of use Battery life: when playing music: up to about 6 hours (headphones) Use with battery box: when playing music: up to about 30 hours Working temperature range: 5℃～40℃ Call microphone type: MEMS type Call microphone pointing characteristics: omnidirectional Call microphone sensitivity: -38dB (1V/Pa, at1kHz) Call microphone frequency response: 100～10,000Hz Weight: Earphone: about 4.7g (L side), about 4.7g (R side) Charging box: about 49.7g Accessories: 30cm USB charging cable (USB Type-A/ Type-C™), earplugs (XS/S/M/L) 【Product Warranty】 Non-human damage to the original factory warranty for one year [Return and exchange need to know] 1. According to the Consumer Protection Law, consumers enjoy the rights and interests of the seven-day appreciation period of the goods (the appreciation period is not the trial period) Earphones are personal hygiene products, so they are treated as if they are unpacked. Please think twice before ordering or unpacking the products, so as not to affect your own rights and interests 2. The return is limited to a brand new unopened package. 3. In case of new product defects, please notify customer service to deal with it for you 4. Please keep the outer packaging and content accessories intact for replacement of new products. If the packaging carton is dirty or severely torn, it cannot be restored. Or accessories are lost, we cannot accept replacement 【Precautions】 1. The relevant time of the Bluetooth headset varies according to personal use conditions, mobile phone settings and surrounding environment/temperature 2. Due to differences in computer screen settings and personal perceptions, the product pictures of this store are for reference only, subject to receipt of actual products 3. If the product specification is incorrect, the actual product will be the main one 4. Please follow the operation instructions and precautions in the product manual before use 5. If there is any error in the above specifications, the information published by the original factory shall prevail