Description of Universal Bluetooth Wireless Headset Earphone for Iphone Samsung HTC NOkiA S2 S3 S4 White Description of Universal Bluetooth Wireless Headset Earphone for Iphone Samsung HTC NOkiA S2 S3 S4 White Bluetooth Mode: Stereo calls vibration one with two voice prompts Frequency

Description of Universal Bluetooth Wireless Headset Earphone for Iphone Samsung HTC NOkiA S2 S3 S4 White Description of Universal Bluetooth Wireless Headset Earphone for Iphone Samsung HTC NOkiA S2 S3 S4 White Bluetooth Mode: Stereo calls vibration one with two voice prompts Frequency range: 2402MHZ-2480MHZ Receiver sensitivity:-80dbm Wireless transmitter Standard: CLASS2 Transmission range: approximately 10 m Frequency Response: 20HZ - 20KHZ SNR: 80dbm Speaker Output Power: 2 * 10mw Battery: lithium polymer battery 150maH Charging time: 3 hours Continuous talk: about 6 hours (battery is full) Standby time: about 100 hours (battery is full)