Rapoo E6300. Device interface: Bluetooth, Purpose: PC, Recommended usage: Office. Bluetooth version: 3.0, Wireless range: 10 m. Keyboard dimensions (WxDxH): 206.3 x 82.1 x 14 mm. Mac operating systems supported: Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion. Battery technology: Lithium-Ion (Li-Ion), Battery life (max): 720 h