Bluetooth V3.0+EDR, the farthest transmission distance is 10mSupport Bluetooth hands-free communication functionBluetooth A2DP stereo supportFrequency: 2.4GHz3.5mm stereo input jackSleep mode, energy savingPower supply: use mini USB line chargingWorking time: up to 8 hoursLanguage: English,French,Spanish,Portuguese,Russian,German,Italian,Dutch,GreekInterface: Micro USB,Mini USB,3.5mm audio jackPackage weight: 0.086 kgProduct size (L x W x H): 5.50 x 5.00 x 3.10 cm / 2.17 x 1.97 x 1.22 inchesPackage size (L x W x H): 6.00 x 6.00 x 4.00 cm / 2.36 x 2.36 x 1.57 inchesPackage Contents: 1 x Bluetooth receiver on board, 1 x Instructions, 1 x Cable