Product Features:
With AIROHA as main control chip ,with Bluetooth 3.0 interface
Use inducstry-leading Bluetooth solution ,WINCOMM BTW Bluetooth software which is specified software by Microsoft offical.
Specially design for Samsung px1000 ,It will be more convenient to carry wirh samsung px 1000 bag
Built-in power management software,It can automatically show the available capacity in the Microsoft Windows
Silence design ,It will not affect other people's  rest
It is waterproof ,dustproof ,anti-pollution ,anti- acid waterproof for silicone part
Work with PC and commerical mobile ,IT will be convenient to word
Built-in lithum battery ,you do not need to frequently change pattery

Technical Specifications
Executive standard:Bluetooth V2.0
Working distance :10m
Modulation system :FHSS2.4G
Transmitting power:Class 2
1,Operating voltage: 3.0-5.0
2,Operating current: <5.0  MA
3,Standby current: <2.5 MA
4,Charging current: >100MA
5,Standby time: 100 days
6. Sleeping current : <200UA
6,theory working time: 25 days
7,Continuous uninterrupted use time: 90 hours
8,theory charging time: 4-4.5 hours
9,Lithium Battery volume: min 430MAH
10,Lithium Battery operating life: 3 years
11,Lithium Battery spec. 4.5*24*47MM
12,Operating range: 10m
13,Keys operation force: 80±10g
14,Keys operating life: 5 million times
15,Operating temperature: -20-+55°C
16,Storage temperature: -40-+70°C