Description
| Bluetooth specification:5.0; Bluetooth profile:Supprot A2DP1.2 AVRCP1.4 HFP1.6 HSP1.2 Drive Dimension:Ф40mm; Impedance:16Ω; Sensitivity ：122±3dB Frequency Range：20～20KHz RF Range: 10M; S/N: >75dB; Distortion:<0.5% ; playback time :≥20H; charging time: about 2H; 12（ Built-in lithium battery ):3.7V/300mAh |
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