Description:
Stable triangle shape structure， exquisite and attractive metal grid
A2DP stereo Bluetooth transmission.
4W strong output power with outstanding sound quality.
Saves you from the hassle of tangled wires? Waterproof， Dustproof，
Anti-scratch，Shockproof， suitable for both indoor and outdoor exercise
1500mAhigh capacity? built-in rechargeable battery
Playtime lasts for 5 hours at least Aux in function
Support all digital audio device with 3.5mm jack， such as
iPod/iPhone/ipad， MP3， Computer， Notebook， PSP...

Caution:
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.

Specifications:
Loudspeaker Output:2W x 2
Speaker unit:1.5" x 2
Impedance:4ω
Frequency response:80Hz-20KHz
Power supply:Built-in Li-on rechargeable battery
Unit size:150*56*56mm
Net weight:250g
Pairing passkey or PIN:0000 (Four zeros)

Package include:
1 x Bluetooth Speaker?
1 x USB Charge Cable
1 x Audio Cable
1 x Lanyard

More detail: