• Super large low-frequency radiator blessing, built-in DSP sound chip.
• Silicone shell, comfortable and wear-resistant, double-sided metal mesh cover, anti-scratch and dust-proof
• Built-in lossless decoding chip, supports FLAC, APE, WAN, MP3 and other formats
• 3600mAh lithium battery, 15 hours long play time 
• Bluetooth-compatible 5.0 chip, high-fidelity transmission, stable connection of 10 ~ 18 meters, farewell delay, freeze
• IPX7 waterproof, advanced sealed waterproof technology
• Support TF card (up to 32G, not included), audio input to play music
• Bluetooth-compatible connection status, support for hands-free calls

Specifications:

• BT version: 5.0                          
• Material: ABS                                                      
• Horn power: 2*20W                           
• Playing time: 15 hours (@50％ Volume)                     
• Input port: TF card/3.5mm AUX  
• Connection distance: 18M (unblocked)
• Input: Type-C 5V/2.4A               
• Battery capacity: 3.7V/5200mAh