Wearable Bluetooth Speaker Bracelet Bicycle Handsfree Speakers Portable Wristwatch Speaker Wirele Watch Audio Mini Loudspeaker Description: Product Name: Card inserted waterproof Bracelet speaker Product model: B11-tf Bracelet speaker Rated power: 2W Product size: 37*37*3218*235 Frequency response: 150Hz-16kHz Input voltage: 5V/2A Battery capacity: 350mah Bluetooth version: five Net weight of product: 39g 14g Specifications: [free your hands and listen freely] it's not easy to fall off when you wear it, so you can enjoy music while exercising, portable and fashionable 2. [waterproof Bluetooth extraordinary sound quality] ipx7 waterproof, which can be immersed in water for months without fear of rain and running sweat. It can be cleaned after washing. 3. [support TF card playing] support (TF) card playing, automatically decode common audio formats, and give you a different music world every day 4. [it can be accompanied by a single hanging rope] it is compact and easy to carry, so that music can be played anytime, anywhere 5. [stereo] TWS wirele interconnection surround sound Package Included: 1 * audio / 1 * speaker, 1 * Bracelet / 1 * speaker, 1 * bracelet, 1 * memory card