Bluetooth-compatible Hands-free Call: Built in Bluetooth-compatible wireless transmission and hands-free function for incoming calls Multiple Music Playback Method: Supports playing songs by connecting Bluetooth-compatible or stored on U disk/TF card (card not included), support all audio inputs through 3.5mm AUX port IPX7 Waterproof: It is suitable for use around swimming pool, beach even rainy weather without the risk of damage Other Functions: Support sound recording, single loop, FM automatic channel search Convenient to Carry: Designed with a loop, convenient to hang to your keychain or backpack for carrying Specification: Application: home / outdoor / gift Bluetooth-compatible version: 5.3 Material: ABS Input: DC 5V / 1A Battery capacity: 3.7V/1800mAh Power: 1*15W (57mm) Transmission distance: 18 meters (no blocking space) Charging time: 3 hours Playing time: 12 hours (medium volume) Support function: Bluetooth-compatible playback/U disk playback/TF card playback (card not included)/FM/Recording/Single loop Package included: 1 x Speaker 1 x English User Manual 1 x Strap 1 x Type-C Charging Cable 1 x 3.5mm AUX Cable Other things not included Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store