bluetooth 5.1 Headphone Stereo Handsfree Noise Canceling Single Headset Handsfree Business Earphone with Mic

Features: -bluetooth V5.1 chip,stable singal transmission.  -Caller ID Report: Speak the phone number of the incoming caller, stop music for incoming calls.  -Noise Canceling Technology: Triple Microphone technology suppresses background and wind noise in the crowd.  -Sweat protection technology: protects this bluetooth headset from sweat and coffee spills so you can wear the headset in the office or in the gym.  -360 °adjustable ear design allows you to adjust the angle for the right or left ear.  -The increased battery capacity provides the longest time of use (when fully charged), it displays the battery counter on your smartphone, reminding you of fast charging next time;  Specification: BT version: V5.1;  BT range: Up to 10meters;  Headset Battery: 80mAh;  Battery Case: 400mAh;  Wireless Frequency: 2.4GHZ;  Charging time: 1 Hour;  Playing time: 6 Hours;  Standby time: 192 hours;  Color: Black;  Charging case: USB Cable;     Package Contents: 1 x bluetooth headsets;  1 x Charging