Items Specifications：

Frequency effect: 150 Hz-18000 Hz within the speaker 3W

Input Power: DC DC 5V 400mA

Bluetooth version: 2.1+ESR

Transmission distance: 10 meters 

Output: 3 W x 1 Stereo audio transmission protocol (V1.2 A2DP)

The audio signal input interface：standard 3.5 mm headset jack,

stereo Dimensions: 100 x 72 x 165 mm Packaging Accessories  Robot Bluetooth Speaker   x 1 USB Charging Cable    x   1 Original Box x 1 （ as picture）