This wireless mobile phone headset lets users make handsfree calls while they are driving, typing on computers, running, etc. The headset is built with quality elements for excellent sounds. It offers a long talk time of up to 6 hours once fully charged. 

• Input: 5V.
• Charging time: 1-2hr. 
• Talk time: 3.5-6hr.
• Audio playback time: 6-8hr.
• Bluetooth.