Audio-Technica│ATH-S220BT Wireless Bluetooth Over-Ear Headphones (Support Wired Use)

https://live.staticflickr.com/65535/51298522385_f0c8ee946d_o.jpg 【system】 Communication method: Bluetooth standard specification Ver.5.0 Communication frequency: 2.4GHz (2.402GHz～2.480GHz) Communication distance: within 10m of good sight Modulation method: GFSK, Pi/4DQPSK, 8DPSK Support Bluetooth protocol: A2DP, AVRCP, HFP, HSP Support code: SBC Support content protection: SCMS-T method Transmission frequency range: 20～20,000Hz RF output power: 10mW EIRP NCC Type Approval Number: CCAJ21LP0DC0E6 【headset】 Type: Closed moving coil type Drive unit: Ø40mm Output sensitivity: 105dB/mW Frequency response: 5～32,000Hz Input impedance: 32Ω Power supply type: DC3.7V lithium polymer battery (built-in) Charging time: about 4 hours (depending on the conditions of use) Battery life: When playing music: up to about 60 hours (depending on the conditions of use) Working temperature range: 5℃～40℃ Weight: about 180g Origin: Vietnam Accessories: 30cm USB charging cable (USB Type-A/ Type-C™), 1.2m dedicated cord for smartphones (Ø3.5mm gold-plated stereo 4-pole mini plug/L type) 【Product Warranty】 One year warranty for non-artificial damage 【Notice for Return and Exchange】 1. In accordance with the provisions of the Consumer Protection Law, consumers enjoy the rights of a seven-day appreciation period for goods (the appreciation period is not a trial period) As earphone products are personal hygiene products, unpacking is deemed to be a purchase. Please think twice before ordering or unpacking goods, so as not to affect your own rights and interests 2. The return limit is brand new and unopened, and it is deemed to be a purchase if it is opened 3. In case of new product defects, please notify the customer service to deal with it for you 4. Please keep the outer packaging and content accessories intact for replacement of new product defects. If the packaging carton is dirty or severely torn, it cannot be restored to its original condition. Or the accessories are missing, we cannot accept replacements 【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 product images in this store are for reference only, and the actual product received shall prevail 3. If there is any error in the description of the product specifications, the actual product will prevail 4. Please follow the instructions and precautions in the product manual before use 5. If there is any error in the above specifications, please refer to the information published by the original manufacturer