Features：

Certification: FCC, CE, RoHS
Full size keyboard: No
Features:anti-ghosting, win-lock, Wireless, Numeric Keypad, Palm Rest
Operation Style: Mechanical
Drive Interface: Bluetooth, USB 2.0
Style: MINI, Standard, Waterproof, Projection Keyboard, For Laptop, Laser Keyboard, For Tablet
Type: Bluetooth Wireless
Interface Type:Bluetooth & USB
Keyboard Standard:68 keys
Wrist Support: NO
Products Status: New
Application: Desktop
Brand Name: AJAZZ
Model Number: B21
Axis Body Brand: Cherry
Keyboard backlit: LED

Usage：

1 . Clockwise volume counterclockwise volume- , press to mute
2 . previous

3 . play / Pause

4. Next

5. Calculator

6 . BT1

7 . BT2

8 . BT3

9 . PC / MAC
10 . Clockwise brightness counterclockwise brightness, press to switch lighting effects.

The left and right knobs can be driven to customize settings, such as zoom in, zoom out, open, close, forward, etc.
4000 mah lithium battery, the light mode can be used continuously for 36 hours. The matte mode can be used for 240 hours, standby for about 6 months