2021New Plastic Metallic SKULL Wirele Bluetooth Speaker Sungla sd card slot ,fm radio Skull Speaker Mobile Subwoofer Multipurpose Speaker Color available for selection: Matte Series:Matt White, Matt Black Glo Series:Glo Silver, Glo Gold, Glo Purple, Glo Blue Features: 100% brand new and high quality. high definition sound Unique, innovative, outstanding design Compatible for iPod/ for iPhone/for iPad from every generation(Bluetooth) Smartphone compatible(bluetooth or line-in 3.5mm) Compatible with CD player or any other audio source through Libe-in 3.5mm Rechargeable battery:5~10 hour s Compact and portable, convenient to carry Specifications: Bluetooth support profile: A2DP Frequency range: 85Hz-18KHz Operating voltage: 100-240V AC Material: Metal Color: Silver, Gold Size: 13*10*13cm Net Weight: 600g Notice: bluetooth function ,and AUX audio function ,has fm radio and sd card slot.USB2.0 slot to play music. Package included: 1 x Bluetooth Speaker (retail box, 1 x USB Cable 1 x Hand Strap 1 x Audio Cable FM radio steps: step1. first plug in the charging cable as an antenna, do not connect to the power supply Step 2: Use M key to adjust to FM mode Step 3: Long pre the power button to automatically search for channels. When it finishes searching for channels automatically, use the up and down buttons to find what you want.and pre the volume bottom to switch channels.