1. Model : A3 Air  Mouse 

2. Wireless 2.4GHz radio frequency with USB receiver，10m max distance

3. All of the keys lifespan up to 1,500,000 times

4. Auto sleep mode: Automatically into sleep mode 2 minutes left without operation

5.To enjoy PC multi-media entertainment,Android TV box and smart TV at home

6. Compatible with Windows/Mac/Android/Linux

7.Powered by 3 x AAA battery (Not included)