?Features:
High quality， portable and fashionable.
Comes with 3.5mm audio line and USB charging cable. 
Perfect addition to your devices with 3.5 mm jack such as for iPhone， iPod or MP3/MP4 players and so on.
Built-in Li-ion battery， directly connect with PC or AC adapter for re-charging.
LED light indication: Red light – charging; Blue light – charging full/working.
With on/off switch to save battery life while in not use.

Specifications:
Material: Plastic
Max Power: 2W
Frequency Range: 280Hz-16KHz
Signal/Noise: ≥85db
Distortion: ≤0.5％
Battery Voltabe Capacity: 200mAH
Port: 3.5mm
Cord Length: Approximately 10cm
Item Size: 36mm / 1.4in (Diameter)
Item Weight: 34g / 1.2oz
Package Size: 5.5 * 5.5 * 6.5cm / 2.1 * 2.1 * 2.5in
Package Weight: 55g / 1.9oz

Package List:
1 * Audio Dock 
1 * USB Charging Cable