• A8s Rechargable Bluetooth And Wireless Keyboard Dual Mode Backlit Black
• Model : A8S 
• Product features: 2.4G + Bluetooth-compatible Dual mode
• Operating range: up to 10 meters
• Transmit power: +5db Max.
• Battery : 1020 Mah Rechargable
• Sleep current: 1mA
• Computer system requirements:
• For Windows 2000
• For Windows XP
• For Windows Vista / Windows CE / Windows 7
• For Linux
• Mobile, Phone,Tab, laptop & Pc Etc.
• Dimensions: 146.8 x 97.5 x19mm
• Weight: 110g
• Whats Is Box : 
• 1x A8S Bluetooth Wireless Keyboard Black
• 1x Charger Cable
• 1x Battery
• 1x User Guide