Detailed description :

1. 3.5mm audio jack, compatible with various cellphones, MP3/MP4/CD/PC/MAC/PSP ,etc.

2. TF supported

3, FM radio supported

4.BUuilt-in Lithium battery

Product Description:

1.Rated power:3W

2.Input voltage:3.7V

3.Signal-to-noise ratio: >76dB

4.Signal-to-noise:>76dB

5.Loudspeaker:40mm 4Ω

6.Frequency range:120Hz-16KHz

7.speaker :59.5*52.5*53 

8.N.W: 80G

9.G.W: 115G