2012 hot sale!bluetooth headset for iphone:
1.Support systems: audio equipments with bluetooth functions, such as pc, cellphone, mp3.
2.Bluetooth protocol standards: bluetooth v2.1+edr
3.Receiver range: 10m/360 degree,
4.Carrier frequency: 2402mhz-2480mhz
5.Usb interference: high speed USB2.0
6.Battery: chargeable lithium-ion polymer battery(3.7v/320ma/h)
7.Charger power: computer usb interface dc5v,dc5v(500ma),travel charger,dc5v(500ma)car charger
8.Successive working time: about 10 hours
9.Frequency response: 20hz-20khz
10.S/n ratio: -82db
Speaker parameter:
1.Speaker diameter: 40mm
2.Impedance:32
3.S.P.L.:106db s.P.L.At 1khz
4.Rated power:20mw
5.Aggregate capability:40mw
6.Frequency response:20hz-20, 000hz.



Blister packing and papercard.