Feature:

1) Full, High-Def Sound: Enjoy an impressively full sound quality and robust bass realized through a 3W audio driver and passive subwoofer.
2) Perfect sound quality and effect, when you go out to enjoy unfettered music anywhere stereo Bluetooth transmission.
3) Incredibly Compact: This ring box-sized bluetooth speaker fits easily into your jacket pocket or the small side pocket of your backpack.
4) Waterproof IP66, Dustproof, Anti-scratch, Shockproof,Rechargeable, suitable for both indoor and outdoor exercise
5) Aux in function support all digital audio device with 3.5mm jack, such as iPod/iPhone/ipad,Cell phone,MP3, MP4,Computer, Notebook, PSP
6) Attention:This product was design for waterproof and you can use it in the rain without any problem but please don’t put it into the water long time.

Specification:
1) Bluetooth Version: CSR 4.0
2) Battery:Lithium 3.7V 500mAH
3) Charging :DC 5V
4) Charging time: 2H
5) Music play time:5h
6) Speaker sizeφ40 4Ω 3W
7) Operation Range:10M
8) Frequency2.402-2.480 GHz Audio Interface: 3.5mm jack Phonespeaker with microphone: to answer/ending a call
9) Color:Black White Red
10) Net Weight:100g
11) Product Dimensions:10.5x5.7x2.2cm
12) Package Weight:155g
13) Package Dimension:12.2x8.3x3.2 cm

Package Including:
1X Bluetooth Speaker
1X USB charge cable
1X Audio Cable
1X Carabiner