Notes:the USB cable is just used for charge,it can't work if there is no battery

Function:

FM radio \TF card play \USB disk play \LED flashlight

Parameter:

FM frequency:87.5MHz~108MHz

Rated power: 3w

Frequency response: 20Hz~20KHz

MP3 bit rate: 8K bps~320K bps

Distortion: <+\-0.55%

SNR: 85db

Size:120x25x60mm

Voltage:5V\1000mA

Battery: Support two 18650 battery

Accessories:

1. with 2 battery:

2x1200mAh 18650 battery

1x C803 speaker

1x USB cable

2.with 1 battery:

1x1200mAh 18650 battery

1x C803 speaker

1x USB cable

3.without battery:(not include battery,you need to prepare the battery yourself)

1x C803 speaker

1x USB cable

4. 2 battery+TF card

1x32G C10 TF card

2x1200mAh 18650 battery

1x C803 speaker

1x USB cable

It can work with one battery or two batteries, and it can last longer time with two battery, please consider how many batteries do you want.

1. How to charge: connect the USB cable to a phone charger or computer and then it will get charged;

2. How to use the FM radio: switch to the FM mode and long press the play key, it will search the radio station and save it automatically, only the first time you need to search the radio station, it can save 50 radio station and you can select them by the number key.

3. How to play music in the sd card or usb disk: insert a sd card or a usb disk and it will play it automatically, this device can insert two sd card, long press the "next" and "prev" key to fast forward / fast reverse

A batter bass sound performance with the bass diaphragm design

Can last longer time with two battery

please use a battery as the picture if you prepare yourselft:

This c-803 speaker doesn't has bluetooth function,our new arrival speaker T-889S has bluetooth function,you can click the picture below to learn more about it: