• Powe source: 5V DC
• Bettery: 3.7V 1800 mAh rechargeble lithium bettery
• COB light: 5-8 hours
• LED : SMD LED light ​ strong Led : 5 hours Weak Led : 8 hours
• Charging time :4-6 hours
• Working time : ​ 3- Speed: 2 hours ​ 2- speed: 3.5 hours ​ 1- speed: 5 hours
• USB SOCKET