1. BT specification: BT V5.0 JL.
2. Transmission range: 10 meters.
4. Charging voltage: DC 5V. Charging time: about 2 hours.
5. Calls / music time: 10 hours.
6. Standby time: more than 200 hours.
7. Output interface: 3.5mm.
8. 145mAh A grade polymer battery.
9. Sizes: 50 * 48 * 11.5mm, weight: 12.6g.
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