Bluetooth Home Stereo Audio Dongle,BH-0102201 Enjoy powerful music stream via your Home Stereo Speaker wirelessly. Specially designed for user to enjoy powerful & high quality music through home stereo speaker. As a Receiver, it transfer wireless music sources like MP3(Bluetooth enabled),mobile phone,PC(Bluetooth enabled) music to your home stereo speaker. As a transmitter, it transfers wired audio source,like MP3,TV, home stereo music to your Bluetooth headset. (1) Bluetooth v1.2. (2) Bluetooth Class 1, 100 meters distance. (3) Pairs with up to 8 Audio Sinks. (4) A2DP profiles. Auto Pairing. (5) Power: a: By Battery: rechargeable Li-ion polymer battery. b: By power adapter (Input voltage DC 5V). (6) Audio-in, Audio-out, 3.5mm Audio Jack, power supply Jack. (7) VFD. (8) TX & RX LED. TX:Transfer wired audio source to your Bluetooth headset. Enjoy music streaming wirelessly & privately. RX:Transfer wireless audio source to your home audio speaker. Enjoy high quality & powerful Audio output. (9) Dimensions: cm . Weight:g. (10) Color : Black . (11) Accessories: - Main body. - 110-240v AC adapter . - User's manual (English & Chinese). (12) Carton: - Inner packing size: cm/ g - pcs/Carton - G.W. KG/Carton N.W. KG/Carton - Carton size: (L) * (W) * (H) CM.