Description of Universal white Bluetooth Wireless Headset Earphone for Iphone Samsung HTC NOkiA S2 S3 S4Features:Bluetooth Mode: Stereo calls vibration one with two voice promptsFrequency range: 2402MHZ-2480MHZReceiver sensitivity:-80dbmWireless transmitter Standard: CLASS2Transmission
Description of Universal white Bluetooth Wireless Headset Earphone for Iphone Samsung HTC NOkiA S2 S3 S4Features:Bluetooth Mode: Stereo calls vibration one with two voice promptsFrequency range: 2402MHZ-2480MHZReceiver sensitivity:-80dbmWireless transmitter Standard: CLASS2Transmission range: approximately 10 m