Description: One button operation: Intelligent control, one button earphone can realize music, conversation, voice assistant, previous song, next song and other operations. Product name: wireless open ear earphone. The hands free open ear headset has a built in 300mah rechargeable battery which provides about everyday of standby time and about 88 hours of continuous work. Features an IPX5 waterproof level for you to wear comfortably during jogging, running, cycling, hiking and so on. Supported Functions: Music playback and pause, answer or reject the call, battery display, automatic reconnection, summon voice assistant, caller number and so on. Specification: Product name: Wireless Open Ear Earphone BT Wireless Version: V5.2 Style: for Right ear only Speaker: Open speaker Battery: 300MAH Charging Time: about 2 hours Listening Time: about 30h Talk Time: about 88h Standby Time: about everyday Wireless Distance: about 10 meters Size Chart: 9.2cm x 9.2cm x 4.7cm/3.62inch x 3.62inch x 1.85inch Package Includes: 1 Piece Ear Hook Bones Conduction Headphones Note: Please allow slightly errors due to manual measurement and different monitors.