FETURE:
1.Built-in Bluetooth RF wireless module, meets the latest standard 3.0.
2.Support Bluetooth stereo sound, perfect sound quality, outstanding bass effect .
3.Support IPHONE 4/4s/5, IPAD, IPOD, Android, Galaxy, Laptops, HTC phones, and anything else that is bluetooth enabled!
4. Power supple mode: Built-in lithium battery; USB cable power supply.
5.Waterproof, hands-free call.and sucking disc.
6.Convenient buttons for music and call control while in the shower, at the pool, or in the car!

Description
1. Material: ABS
2.Bluetooth V 3.0 +EDR
3. Loudspeaker Power: 3W
4. Power: DC 5V- 100-120mA
5.Battery 3.7v 400mAh lithium
6.Charging time approx. 3 hours
7.S/N Ratio >75db
8.Distortion <1.0%
9.Operating time approx. 6 hours
10.Transfer distance :~10M (the distance depends on the bluetooth device and environment)
11.Product Size: 8.5x8.5x4.5CM

When you take a shower, and want some music, this speaker is good choice !