Rapoo H3070. Device connectivity: Wireless, Device interface: 3.5 mm. Ear coupling: supraaural, Acoustic system: semi-open. Battery life (max): 6 h, Charging time: 2 h. Dimensions (WxDxH): 152 x 50 x 165 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 This is an auto-generated long summary based on the first three features of the first five feature groups.