Specifications:

1. Material: Silicone
2. Color: Black?white
3. Dimensions: 25.5 x 9 x 1.5cm/10.03 x 3.54 x 0.59inch(L x W x H)Note: It is a mini keyboard. Smaller than the normal computer keyboard 
4. Cable Length: 360 x105x8 mm
5. Working range: 10cm 
6. Compatible with: PC/Laptop: Mac、Windows 98、2000? Vista?Win7; Phone/iPad:Windows?Android?IOS

7. Weight: 164g

8. Bluetooth: 3.0

9. Charging Time: 2-3 hours

10. Working Voltage:1.9~3.3win7V

11. working current: 4mA
12. Stand-by time: 30 days
13. Waterproof: IP67 (Except the Charging port)