Model Number:NMD-330 GSM330L
Style:In-Ear
Communication:Wireless
Use:Mobile Phone
Function: Microphone, Noise Cancelling
Place of Origin:ChangSha, China (Mainland)
Color:yellow blue red black
Thickness:3mm
Appearance:gsm card
Distance:60cm
Band:850/900/1800/1900
IMEI:changeable
Sound pick up:inductive
Sim slot::mini sim
Weight:30g
GSM Box: gsm box

Quantity:1 Set
Package Size:10.0 * 5.0 * 5.0 ( cm )
Gross Weight/Package:0.15 ( kg )
 Package/List of Accessories:
1 x 2nd New 4.5 W GSM-ID-Card NMD-330L( IMEI Unique New 4.5 W GSM Box No problem in any country )
1 x USB charger cable
1 x Operating Manual
1 x A680 Earpiece ( Black and Skin color available, when you place order , please leave us message)
1 x Original battery( Work up to 10 hours continuously)
( We also provide cusotmzed service based on your design: MOQ: 100PCS)

 
Manufacturer description:
Two way covert communication via mobile phone networks
Optimized inductive coil creates strong power for earpiece
Size 85*50*4.5 mm
3-5 hours talking time, or 48 hours Stand by time
How does it work?
The new developed

GSM BOX has a built-in dual band

GSM module that works in both of Four Band mobile phone networks.
Once insert a GSM SIM card and turn on the power, it will automatically pickup calls from any mobile phone or telephone.
The powerful inductive coil will creat strong signals to drive earpieces within 40-60cm distance.