1. Bluetooth version: V3.0
2. working distance:10meters
3， standby time:about 120hours
4，playing music4-6hours
5，taking time 8-10hours
6. charging time 2-3hours
7.operating voltage 3.7V
8battery :similar lithium battery

9.speaker diameter:40mm

10.impedance:32Ω

11.support TF card:2-16G

12.support FM MP3

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