<p style="text-align:left">Headset wireless: V5.0 BK.<br />
Support protocols: Headset, Hands-free, A2DP, Avrcp.<br />
Charging voltage DC5V, headset charging time is about 50 minutes, charging box charging time is about 1 hour.<br />
Headset battery capacity: 30mAh, charging box battery capacity: 180mAh.<br />
Headset &nbsp;size: L 53 &times; W 30 &times; H 21 mm, weight: 16 gm.<br />
Call/music time of earphone: 3 hours, standby time: 120 hours.<br />
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