• TECHNICAL INFORMATION Bluettoth Version : 5.0 Memory Card input : TF Card Battery capacity : 500mAH Charging time : About 2 hours Usage time : About 5 hours Standby time : 120 Hours Impedance : 32 Sensitivity 105db Microphone : internal Connection Distance : Up to 10m Charging Input : Micro USB BOX CONTENTS 1 Headphone 1 Charging cable 1 User manual and WARRANTY CERTIFICATE Warranty period : 2 Years Official Distributor