IPX8 waterproof rating: BZOJIFO X16 Swimming headphones have a professional deep waterproof rating of IPX8, fully waterproof and sweat-resistant, so that you can enjoy swimming, running, cycling, exercise, etc. You can enjoy your favourite music. 【Comfortable open earphones】These headphones are designed with the softest silicone material to fit your ears. Our earbuds design eliminates the discomfort with in-ear headphones. These headphones can be comfortably worn during any workout. 【32G Music Storage】 Waterproof Bluetooth headset has 32GB internal storage space, can store 12,000 songs, support MP3, FLAC, WMA, WAV and APE formats. Bluetooth 5.3 chip: The latest Bluetooth 5.3 chip provides faster and more stable connection, 8 hours battery life, compatible with both iOS and Android devices. 【Superior Sound Quality】Adopt the latest bone transmission technology, experience first-class sound with clear sound, strong sound level, and rich bass passing through the cheekbones. Combined with the blessings of innovative technology, the open ear Bluetooth headphones can effectively prevent sound leakage and protect your privacy while enjoying high-quality sound. Color Black Theme Sport Impedance 32 Ohms Brand Name BZOJIFO Model Name X16 Unit Count 1.0 Count Control Type Media Control Manufacturer BZOJIFO Model Number S36 BuiltIn Media Blu-ray Noise Control Sound Isolation Series Number 16 Cable Features Without Cable Control Method Remote Earpiece Shape open-ear Headphone Jack No Jack Controller Type Media Control Frequency Range 20Hz - 20,000Hz Number of Items 1 Antenna Location Cycling, Exercising, Running, Swimming Audio Driver Type Bone Conduction Driver Bluetooth Version 5.3 Compatible Devices iOS and Android devices Enclosure Material Silicone Battery Charge Time 1.5 Hours Wireless Technology Bluetooth Battery Average Life 18 Hours Age Range Description 2 Customer Package Type Retail Packaging Water Resistance Level Waterproof Connectivity Technology Wireless Headphones Ear Placement In Ear Specific Uses For Product Sport Headphone Folding Features Over Ear