PR-A19 2.4GHz Wireless Charging Bluetooth Mouse Pen Type Shining Quiet Mouse Product parameters: 1. Material: environmentally friendly ABS 2. Application: PC, tablet, mobile phone, smart TV, set-top box, etc. 3. Features: ergonomics, mini, handwriting 4. Default DPI: 80012001600dpi 5. Interface: USB 6. Current: 3.7V15mA 7. RF frequency: 2402MHZ-24080MHZ 8. Battery: 500 mA (48 hours of continuous use, 5 months standby time) 9. Wireless transmission frequency: 2.4GHz 10. Compatible system: support Windows 2000XPVista7810, Android, Mac OS, etc. 11. Operating distance: 10 (m) 12. Number of keys: 4 keys 13. Product size: 14.5 x 2 x 1.8 cm 14. Net weight: 30 grams 15. New Bluetooth function, the two modes can be switched freely; plug in the receiver is the 2.4G version, unplug the receiver is the Bluetooth version, you can connect to the mobile phone Packing list: -Mouse x 1 -Receiver x 1 -Instruction manual x 1 -Fabric bag x 1 -Adapter x 2 -Charging cable x 1 -Base x 1