Wireless Earbuds,TNSO E18 Latest Bluetooth 5.0 True Lightweight Wireless Bluetooth Headphones 15h Playtime 3D Stereo Sound Portable Charging Box with Magnetic Connection, IPX5 Sport Headset with Mic

?Headset size: 0.78 * 0.63*0.55 inches ?Specifications Product model: Airtwins A6 Version: V5.0 Earphone battery: 50mah Standby time: 2100 hours Talking time: 3.5 hours Profile: HSP/HFP/A2DP/AVRCP Charger case battery: 3.7V/300mAh (charge full TwS headset for 2 times) ?Charger Case Blue light flashes: in charging Blue light long on: charging full Charging time: about 1 hour ?Headset Pairing: red or blue light flashes alternately Connetion light no flashes Low-battery indication red light flashes 1 time for every5 seconds Power charging red light long on Charging full blue light long on Charging time: about 1 hour ?R/L: Press and hold MFB for 3 seconds untill blue and red light flashes alternately and enter into pairing mode. Press and hold MFB for 5 seconds untill red lightflashes for 1 time. ?R/L: Music Mode Press MFB: Play/pause Press and hold MFB for 3 seconds untill hear a click voice:next song Double press MFB: call back the last phone number ?R/L: Phone Talking Mode Press MFB: Answer/Hang up Press and hold MFB for 2 seconds: Reject the call