Bluetooth transmitter and receiver in one 
 
Features:
1).Bluetooth Version 3.0 (Class II) with 3.5mm stereo plug.
2). Supports Bluetooth A2DP and AVRCP profile
3).Distance: Within 10 meters
4). Take the output of your CD/DVD players, MP3/MP4 players, PDAs, or iPod and convert it to streaming stereo audio via Bluetooth transmission - all in one compact unit.
5)worked as a bluetooth transmitter to make your audio device have bluetooth function
6)worked as a bluetooth receiver, add bluetooth receiving funciton to your headphones, home stereo, Hi-Fi system

Specifications:
1. Bluetooth Version 3.0 (Class II) Supports Bluetooth A2DP and AVRCP profile with 3.5mm stereo plug.
2. Distance: Within 10 meters
3. Working frequency range: 2.402Ghz-2.480Ghz
4. Working Time:
TX: up to 8 Hours
RX: up to 6 Hours
5. Charging time: about 2 hours
6. Battery: 160mAH Lithium battery
8. Transmitter & Receiver All in One
9. Material: Plastic + electronic components
10. Color: Black

Package Content:
1x Bluetooth Transmitter Receiver
1x USB Charging Cable
1x 3.5mm Audio Cable
1x User's guide(English)