Specifications: 

Bluetooth version: V3.0 +EDR

Bluetooth range: 10 meters

Power supply: DC5V/100-120mAA

Battery: 3.7V 400mAh lithium

Charging time: approx. 3 hours

        Operating time: approx. 6 hours

IP grade: IP x 4

        Frequency response: 100HZ-20KHZ

        Output: 3w

        S/N Ratio: >75db

        Distortion: <1.0%

        Weight: 120g

        Speaker size: about 85*85*45mm/3.35*3.35*1.77in

Colors: red,blue,green,black,white,yellow,pink