USAMS Wireless Bluetooth Over-ear Earphone Headset 70hrs Listening Noise Cancelling Headphone

Material: ABS+PC BT Version: 5.3 Connection Range: ≤10m Speaker Diameter: 40mm Speaker Sensitivity: 108±3dB/1Khz 0.179V Impedance：32Ω±15% Frequency Response: 20-20Khz SNR: ≥80dB Weight: about 223g Battery Capacity: 500mAh Playing Time: about 70 hours Calling Time: about 60 hours Charging Time: about 3 hours Charging Power: 5V/0.5A Size: 167*186*80mm Compatibility: For digital devices with BT function Including: Headphone*1, Type-C charging cable*1, User manual*1 Features: ① Breathable leather material, comfortable to wear. ② Immersive stereo sound effect, HD microphone calls. ③ Upgraded BT 5.3 chip, stable connection. ④ 70 hours listening time, ultra-long battery life.