Nesty Blast Series MH 250 True Bluetooth Wireless Earphones – Grey, With Charging Dock, Built In Microphone , Bluetooth Version 5.3, Up To 10 Metres Transmission Distance, Talk Time: Up To 2 Hours, Music Playing Time Up To 3 Hours, Built-In 30mAh Rechargeable Lithium Polymer Battery Per Earphone , 250 mAH Charging Bock, Changing Time 1-3 Hours, Standby Time: 130 Hours, One-Button Touch Control, Compatible With All Bluetooth-Enabled Devices, Colour Black, Retail Box, 6 Months Limited Warranty