-Bluetooth specification: 4.1+EDR
-Bluetooth profiles:HEP1.6,SHP1.2,AVRCP1.4,A2DP1.2
-RF range:10m
-Noise reduction: CVC6.0
-Stand-by time:about 120 hours
-Calculation conversation time: About 3-4 hours
-Charging time: about 2 hours
-Dimension(LXWXH):20 x 18 x 15mm
-Weight: 8g
-Colour: black, silver