• Bluetooth-compatible + 2.4G wireless dual connection ways
• The latest Bluetooth-compatible technology provides cable-free & clutter-free connection, operating distance of 10m without delay
• 2.4G wireless mode is convenient for the desktop computer or laptop without Bluetooth-compatible function
• The USB receiver is just plug and play without installing additional software or driver, ensures stable and reliable connection
• Standard numeric keypad and shortcut keys also help you greatly improve your workflow and efficiency

Specification: 

• Connection method: Bluetooth+2.4G wireless
• Working range: 10m
• Rated voltage/current: 3.7V/1A
• Modulation method: GFSK
• Battery type: polymer lithium battery
• Battery capacity: 300mAh
• Button life: 5 million clicks
• Working temperature: -10℃-+55℃
• Supported systems: Windows, iOS, Android