Bluetooth Headset Bluetooth Earpiece Cellphones Wireless Blue Tooth 5.0 Head Set

brand new never used CLEAR CONVERSAION & NATURAL-SOUNDING AUDIO -- You will get the hear-and-be-heard advantages of a BlueFit earphone, thanks to advanced unidirectional noise reduction microphone technology and fast stable Bluetooth 5.0 transmission. 8 HOURS TALK TIME -- Up to 8 hours non-stop talk time and 10 days standby time with single charged in just 2 hours. Noted: 5V Charger Only. Over voltage will damage battery.