Features:
1) Suitable for all types of mobile phones with adapters
2) Accomplishes listening and answering by wireless headset directly
3) Used to charge all mobile phones in cars through an lighter adapter
4) Standard lithium button cell for headset, which is rechargeable and
replaceable
5) Mobile phone is overcharging protected and will shut down at low power
6) Fashionable designs available

Specifications:
1) Main unit:
a) Reception frequency: 49MHz
b) Transmission frequency: 46MHz
c) Power supply: DC 9 ~ 24V
2) Earpiece:
a) Reception frequency: 46MHz
b) Transmission frequency: 49MHz
c) Continuous talking time after charge: 2.5h; stand-by time: 720h
d) Transmission in open air: 10m

Inner packing: gift box, blister card

Outer packing: 30pcs/ctn