Model Number: H9 Key Specifications/Special Features: Features:1. 2.4GHz mini wireless QWERTY keyboard with touchpad2. Better shell material, upgraded matte black3. Ergonomic mouse button on top4. Ergonomic keyboard layout5. Smart touchpad for left/right click & scroll bar6. Auto sleep and wake feature7. Rechargeable lithium battery BL-5B(Removable)8. Mini slim lightweightComputer system compatibility:Windows 2000Windows XPWindows Vista, Windows CE, Windows 7Linux(Debian-3.1,Redhat-9.0 Ubuntu-8.10 Fedora7.0 tested)Android 4.0+ system

Specification
Compatible with: Computer, Notebook, Tablet(USB port), Xbox 360, PS3,
Android TV Box, IPTV, HTPC, Projector, Smartphone(OTG), ect.
Size(L*W*H): 5.5*3.54*0.63Inch[140*90*16mm]
Weight: 3.52Oz[100g]
Operational Range: up to 10m
Transmit power: +5db Max
Operation voltage: 3.3V
Operation current: <50mA
Charging current: <300mA
Sleep current: <1mA

Package included:
1 x H9 mini wireless keyboard (black)
1 x BL-5B lithium battery
1 x 2.4Ghz USB receiver
1 x USB cable
1 x User manual (English)