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