... be connected via Bluetooth or a wired 3.5mm connection with adaptors for 2.5mm, 6.5mm and airplane connectors included in the box ... ,Version:Bluetooth V2.12,Wireless Frequency Range:2.4GHz3,Transmission Distance:10m4,Charging time:up to 2 hour5,Talk time:minimum ... 6 hours6,Standby time:minimum 180 hours7,Color:black,yellow,red, ...