Specifications: 

• Color: Grey
  
• Operating Range: 10m
  
• Connection: Bluetooth / 2.4G
  
• Multi Device: Bluetooth x 3, 2.4G x 1
  
• Layout Windows: Android, Mac, IOS
  
• Character: Silk Printing UV
  
• Battery: 300mAh Lithium Battery
  
• Battery Life: about 24 months
  
• Receiver: Nano USB Receiver
  
• Net Weight: 303g (without battery)
  
• System Platform: Windows / Mac / Chrome / Android / HarmonyOS