• 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