specification: Bluetooth Version:V2.1 EDR Frequency coverage: 2.402~2.480 GHz ISM Band Sensiticity: -80dbm Wireless transmitter standard: Class 2 Channel: 79 channels of 1MHz BW Contact terms: Point-to Point Transmit range: Up to 10m Transmit speed: 57~723Kbps Stereo compression
specification: Bluetooth Version:V2.1 EDR Frequency coverage: 2.402~2.480 GHz ISM Band Sensiticity: -80dbm Wireless transmitter standard: Class 2 Channel: 79 channels of 1MHz BW Contact terms: Point-to Point Transmit range: Up to 10m Transmit speed: 57~723Kbps Stereo compression ratio: 44.1/48 KHZ Support format: MP3 WAM Talk time:Up to 4H Charge time:1-2H Size (L x W x T): 15.5*13*5cm Power source: Built-in Li-on Battery(USB Charging) Package includes: 1 Pcs Sport Bluetooth Wireless 1 Pcs USB cable