Feature:
Built-in lithium Battery charging circuit
Powerful noise elimination circuit
Class II power level.
High-fidelity Sound Quality.
Directly and easily Powered by USB.
Bluetooth Version: Bluetooth V2.0， and compatible with V1.2， V1.0， V3.0， V4.0 Standard.
Equipped with Standard 3.5 audio interface.
Supports all common 2.1 audio Speakers

Specifications:
Chip: OVC3860 stereo chip
Transmission distance: 10m (Class2) (can’t through flesh and glass)
Frequency: 2.4 GHz
Interface: 1 * Standard USB， 1 * Standard 3.5 audio interface.
Power Supply: DC 5.0V / 120mA
Color: Blue
Main Item Size: 55 * 16 * 4mm / 2.16 * 0.62 * 0.15in
Main Item Weight: 4g / 0.14 oz
Package Size: 70 * 60 * 10mm / 2.75 * 2.36 * 0.31in
Package Weight: 5g / 0.18oz

Package Lists:
1 * Bluetooth Chip