1pc With BT Sleep Headphones, 3D Sports Mask For Side Sleepers Best Gift Travel Essential Men Gifts

Specification: • Blue/Red LED indicating. • Transmission distance: 10 Meter. • Bluetooth type : Bluetooth 5.0 +EDR. • Frequency Response: 20HZ---20KHZ • USB: TY-C • Power: 180MAH lithium rechargeable battery. • Play time : 8-10hours • headband material: polyester. • Suits for both Men&Women. • Package:1pc + USB charging cable+User manual Operation Guide: -Press the on/off button about 5S till the LED light blink from blue-red. -Open the bluetooth in your phone and match with the beanie -After match successfully open the music in your phone, then you can enjoy the music with the hat, press the on/off button can pause it -Press the on/off button, you can answer the phone. press again for up it -Long press the Forward button for volume +,long press the Back button for volume. -Press on/off button 2-3 seconds can back to dial the telephone -When charging the red light bright, charging is complete, the red light will off.