iPhone 4 lassic handset with volume control

1.Improved call comfort;
2.Allows access to phone functions when making calls;
3.Eliminates over 99% of absorbed phone radiation
4.Turns your tablet computer into a telephone via skype or VOIP applications;
5.Noise reduction with Crystal material
6.Pick up/hand up button, big function button,Volume control, answering/ hanging up button...
7.Supplied with a 3.5mm plug
8.Works with all mobile devices adaptor and splitter cable available as accessories
9.Works with all computers / USB adaptor and splitter cable available as accessories
10. Luxurious soft touch paint treatment
11.Frequency:20-20000Hz
12.Sensitivith: 111dB±3%
13. Impedance: 150ohm
14. Cord length: 2m
15. CTN:21X6X6.7CM
16.G.W 11.5KGS
17.50PCS/CTN

How to use:

Step1.
You need to refer to the attaached adaptor table to check which adaptor is needed to connect your mobile phone to new handset, if your mobile phone doesn't require an adaptor, please directly to step.

Step2.
(optional, please check on the adaptor list if your phone need it) Plug the corresponding adaptor to the 3.5mm jack end of your handset

Step3.
You can now securely, plug your handset into the hands-free port of your mobile phone(please refer to your mobile's phone instruction manual to locate this port)