1. Speaker: 40mm. 2. Wireless specification: Wireless V5.0 JL. 3. Supporting protocols: A2DP, AVRCP, HSP, HFP. 4. Charging voltage: DC 5V. Charging time: about 2.5 hours. 5. Call / music time: 12 hours. Standby time: 200 hours. 6. Class A polymer battery: 300mAh. 7. Size: 180*150*70mm. Weight: 161g.8. Support BT, TF card
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