Bluetooth Polarized Cycling Sunglasses With Speakers - Photochromic-transparent

Multi-function one-button control open surround sound with three-dimensional dual-speaker design 120mah lithium battery magnetic fast charging tac polarized lenses for clear vision in strong light tr toughness frame with curved temples and adjustable nose pads for comfortable wear note bluetooth version: bluetooth v5.2Bluetooth protocol: a2dp, avrcp, hfp, hsp, spp, gatt, hogp, pbapaudio decoding: sbc, aacbluetooth distance: 10mbattery capacity: 120mahmusic duration: about 5.5-6H 100% volume standby time: about 60htalk time: about 5h 100% volume charging time: about 1.5Hcharging input: dc5vhow to use power on: press and hold the touch point for 3sshutdown: press and hold the touch point for 5sanswer hang up: double-click the touch pointreject: press and hold the touch point for more than 1.5Splay pause: double-click the touch pointnext song: three-click touch pointwake up voice assistant siri: four-click touch point

Multi-function one-button control open surround sound with three-dimensional dual-speaker design 120mah lithium battery magnetic fast charging tac polarized lenses for clear vision in strong light