New Style Neckband Wireless Bluetooth Direct From Manufacturer, Sports Noise-canceling High-definition Lossless Sound

Brand:Grace,Transmission Range:10m,Functionality:Call function, supports music, 23576041043,Bluetooth Protocol:5.0,How to use:Neck Hanging Style,Is it single or double ear?:Bilateral Stereo Sound,Color:B7 black bare machine without packaging or accessories, B7 black color boxed,We have authorized private labels available:yes,Is it exclusively for cross-border export supply?:No,Customizable:Support,Type:Bare metal,Is it a patented source product?:No,Mold Type:Official Model,What type of chip is it?:Jerry,Battery life:4-8 hours,Year/Season of Release:2021,Style:creative design,Exchange only, no repairs:Support,Waterproof performance:Does not support waterproofing,Item Number:B7,Is it packaged?:Bare metal,Material:Plastic