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Transfer Protocol :support A2DP 1
Keeps cutting out when playing
Stable connection support Bluetooth 5
1 surround sound technology
With the high responsive audio drivers
B39 Wireless Headphones Color:Red1 with adaptor Transfer Protocol :support A2DP 1Specifications: Model: B39 with Bluetooth adaptor Uses: wireless headphones, voice headsets. Bluetooth version: V5. 0. Bluetooth mode support: A2DP 1. 2, AVRCP 1. 0, HSP, HSF 1. 5. Frequency: 2. 402 2. 480GHZ, 2. 4G ISM band. RF performance: receiver sensitivity: 84dBm; transmit power up to 4dBm. Frequency response: 20 Hz 20 KHz. Signal to noise ratio (SNR): 70Db. Total harmonic distortion rate (THD) 0. 1%. Power indicator: Red and blue indicators