Specification:
Bluetooth 3.0 +EDR， class 2
Support s A2DP stereo profile and HFP profile
Support DSP， Auto pairing. ?
3.5mm stereo inlet socket
Transmission Distance: 10m
Work Time: 8 hours
Color: Black
Item size: 5.5 * 2.5 * 1.0cm / 2.17 * 0.98 * 0.39in
Item weight: 12g / 0.43oz
Package size: 11.0 * 7.5 * 2.0cm / 4.33 * 2.95 * 0.79in
Package weight: 41g / 1.47oz

Package List:
1 * Bluetooth Receiver
1 * 3.5mm Connector
1 * USB Cable
1 * English User Manual