Brand‎GenericManufacturerGenericModel‎ESPCB 29Product Dimensions‎5 x 2.5 x 10 cm; 70 GramsItem model number‎ESPCB 29Special Features‎Compact and Small can be powered with USB wall power adapter. Bluetooth Standard: Bluetooth V2.0+EDR, support A2DP V1.2 Power supply: 5V USB Output: 3.5Mm Audio interface Distance: 5-10 meters Sound output rate: 44.1KHZ and 48KHZ.Batteries Required‎NoConnector Type‎BluetoothManufacturerGenericItem Weight‎70 g Make your car audio system wireless Converts speakers into Bluetooth speakersAllows you to play songs to your speakers directly from your phoneBluetooth standard: Bluetooth V2.0+EDR, support A2DP V1.2 power supply: 5V USB output: 3.5mm audio interface distance: 5-10 meters sound output rate: 44.1khz and 48khzCompact and small can be powered with USB wall power adapter