| Wireless Version: 4.1 Operation range: up to 10m(33`) Capacity: 300mAh(chargeable) Working time: about 2.5hrs Rated power: 10mW Driver Size: 40mm Frequency range: 20Hz-20kHz Sensitivity: 110+/-5db Impedance: 32+/-15%O Distortion: =1% at 1KHz Blue light is the power indicator Red light is the charging indicator Red & Blue light is the pairing indicator |
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