Nouveau lecteur de carte M4 transfrontalier, mini haut-parleur portable Bluetooth sans fil, double enceinte à volume élevé, format compact, amélioration de la durabilité

Brand:Neutral,Applicable Scenarios:Desktop, Outdoor, Home,Time to market:2023,Connection method:Bluetooth Connection,Frequency Response Range:100HZ-20KHZ,Signal-to-noise ratio:≥70db,Number of speakers:1 piece,Effective Range:10m,Material of the box:ABS,Appearance size:35*41,Item Number:M4,Color:Gold, Blue, Silver, Black, Red,Specifications:Bluetooth Card Slot,Is it for export?:No,Power supply mode:USB,Main downstream platforms:other,Main sales regions:other,Is it exclusively for cross-border export supply?:yes,Is it a patented source product?:No,Waterproof rating:Not waterproof,Built-in Battery Capacity:300mAh-500mAh included,Rated power:3w,Product Net Weight:60g,Rated voltage:5,Package Contents:Data cable + lanyard,Additional features:Card insertion, voice prompts, call function,Bluetooth Protocol:5.0,Does it have a built-in battery?:Built-in battery