Mini Speaker for Mobile Speaker
1.MP3. Format
2.570mAh Li-ion Battery
3.TF+USB+3.5mm Jack
4.CE. ROHS

Mini Speaker for Mobile Speaker 

Speaker Specification:

1. Loudspeaker Output:3Wx1
2.Material:Plastic
3.Frequency Response:200 Hz-16KHz
4.Signal-to-Noise: ≥80db
5.Distortion:≤1.0%

Speaker Controls:
1.ON/OFF Switch: YES
2.Volume Control: YES
3.Play/Pause: YES
4.Previous/Next Song: YES

Speaker Connections:

1. Mini-USB: use mini-USB to USB cable to attach to PC
2.USB: plug in USB flash drive to play MP3 files
3.TF Card: insert TF card to play MP3/WMA files
4.3.5 mm (RCA): plug into device earphone port

Battery Specifications:
1.Type: Internal high capacity rechargeable cells
2.Source: Recharge using USB connection or compatible Power Adapter (not included)
3.Battery Charge Time:  5V input - 2 hours

4. Playback Time:  more than 4 hours
5.Battery Capacity: 550mAh
6.Battery Charging Voltage:  5V/+0.5V

Compact with PC,VCD,DVD,IPOD,MP3/4,directly and suitable to all the device of the audio frequency with output. Suppot FM Radio.