Main Features:- Multi-function but small volume， easy to carry
- Plug-and-play， works with free drive
- 2-in-1， can connect two devices at the same time
- Bluetooth V 3.0 +EDR
- Effective distance is up to 10 meters
- Supports A2DP stereo profile
- 3.5mm stereo inlet socket
- Wireless music receiver connects to 3.5mm headphone jacks
- Use with home stereos/ speakers， car stereos， headphones etc.
- One touch connect button for convenient device pairing Model: BT4821
Standard: All in One
Interface: Micro USB charging port， 3.5mm Audio Interface
Input Voltage: DC 5V
Output Current: DC 3.7V / 38mA
Remote Control Distance: Up to 33 feet
Color: Black
Special function: Wireless 2-in-1 Package weight: 0.117 kg
Product size (L x W x H): 5.00 x 2.50 x 1.00 cm / 1.97 x 0.98 x 0.39 inches
Package size (L x W x H): 16.50 x 8.80 x 2.00 cm / 6.50 x 3.46 x 0.79 inches Package Contents: 1 x Music Receiver and Transmitter Adapter， 1 x 3.5mm Audio Cable， 1 x USB Charging Cable， 1 x English Manual