K21 Bluetooth Earphones Wireless Neckband Sports Dual Ear In-Ear Neck Hanging G08 Long Battery Life Factory Direct Sale Durability Upgrade

Brand:Neutral,Transmission Range:10m,Functionality:Ultra-long battery life, call function, supports music playback,Bluetooth Protocol:5.2,How to use:Neck Hanging Style,Is it single or double ear?:Bilateral Stereo Sound,Color:Black Bare Machine, Blue Bare Machine, Pink Bare Machine, Red Bare Machine, Black OPP Bagged, Blue OPP Bagged, Pink OPP Bagged, Red OPP Bagged, Black Boxed, Blue Boxed, Pink Boxed, Red Boxed,We have authorized private labels available:No,Is it exclusively for cross-border export supply?:No,Customizable:Support,Is it a patented source product?:No,Mold Type:Official Model,What type of chip is it?:Zhongke Lanxun,Battery life:0-4 hours,Year/Season of Release:2022,Style:creative design,Item Number:G01 K21 G08,Exchange only, no repairs:Support,Waterproof performance:Does not support waterproofing,Material:Plastic