•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