Description of iPhone Sports Wireless Stereo Bluetooth black Headset Earphone Headphone Universalspecification: 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
Description of iPhone Sports Wireless Stereo Bluetooth black Headset Earphone Headphone Universalspecification: 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 10mTransmit speed: 57~723Kbps
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