Audio-Technica│ATH-WS990BT Wireless Noise Reduction Earmuff Headphone Microphone Set

Equipped with Ø53mm "deep motion drive unit" Double-layered ear cushion made of double-layer cushioning material With noise reduction, the bass field with perfect resolution Provides approximately 30 hours of long-lasting wireless playback time Easy to carry folding structure. https://i.imgur.com/auOXo6z.jpg 【Product specifications】 [headphone section] Type: Closed moving coil type Drive unit: Ø53mm Output sensitivity: 101dB/mW Frequency response: 5 ~ 40,000 Hz Impedance 30Ω [Microphone section] Type: back pole type capacitor Directivity: omnidirectional Sensitivity: -44dB (1V/Pa, at1kHz) Frequency response: 50 ~ 4,000Hz [Communication Specifications] Communication method: Bluetooth standard specification Ver.4.1 Maximum communication distance: within 10m of good line of sight Communication frequency band: 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 Transmission band: 20 ~ 20,000 Hz 【other】 Power: DC3.7V lithium polymer battery (built-in) Charging time: about 5 hours* Available time: continuous communication (when playing music, BT/ON, NC/ON): up to about 25 hours (Bluetooth only): Up to 30 hours (depending on usage conditions) Continuous standby: up to about 1000 hours* Weight: about 300g Operating temperature range: 5 ° C ~ 40 ° C Accessories: USB cable for charging (30cm, USB Type-A / Micro USB Type-B) 1.2m wire carrying bag ※The Hi-Res certification standard is met during cable playback. In Bluetooth wireless playback, the sound quality varies depending on the encoding method such as aptX/AAC/SBC. [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.