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Function: music play and hands-free call. Bluetooth Version: 5.0. AUX interface with MIC+ Button (for control volume and play). 3.5mm metal plug is detachable . Bluetooth Protocol: AVRCP/A2DP/HFP/HSP. Support SBC/AAC. Do not support APTX. Frequency range:2.402GHz-2.480GHz . Frequency Response: 20Hz-20kHz. Output Power: 28mW, RL=16Ω. SNR(Signal to Noise Ratio):＞90dB. Mic Sensitivity: -38dB. Transmission distance: up to 10m. THD ( total harmonic distortion )：<0.1%. Battery capacity: 3.7V/180mAh. Operating Time: up to 9hours. Micro USB for power supply(5V). Products Size:L55xW26xH12(mm).
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