Features:
1) Wireless Bluetooth audio music receiver with 3.5mm audio plug.
2) Add Bluetooth functions to your devices which with a 3.5mm audio jack immediately (MP4, MP3, PSP, HIFI, iPod, iPad, TV, etc.)
3) Turn your regular home stereo into a Bluetooth-enabled, wireless streaming machine.
4) Robust performance, accurate and sensible search of device in range
5) Built-in rechargeable battery, charged via USB port (USB cable included)

Specification:
1) Bluetooth V3.0 Chip, with EDR Tech
2) Working range of 33 feet (10m)
3) Battery: 3.7V High Quality 250mAh Rechargeable Li-ion Battery;
4) Charge: 1-2 hours by USB
5) Playing time: Up to 10 hours