ZEALOT S51Pro 40W Bluetooth Speaker IPX5 Waterproof 3D Stereo Bass Portable Speaker with Lanyard

• 57mm loudspeaker releases the surging sound waves: Dual diaphragm for high and low-frequency horn and bass, accurately capture every sound fluctuation, surging and dynamic, making the sound more natural and transparent
• Colorful lighting effects music is more than hearing: The amazing colorful lights and music creates a full atmosphere and enjoys the sound experience from the music scene
• Unimaginable 360° surround sound experience: High volume without breaking sound! No matter where you place the speaker, 360° surround sound technology ensures that its sound spreads evenly 
• Lanyard design accompanies all the time: Suitable for a variety of scenarios, worn on the wrist, hang on the backpack. Carry it with you and wait, easy and portable
• High capacity battery long-lasting battery life: Built-in 6000mAh large battery, no fear of long-term outdoor play, parties, etc., travel without restrictions

Specifications:

• Bluetooth version: 5.2 
• Transmission distance: about 10m                    
• Listening to music time: about 3H-5H
• Charging time: about 3H    
• Signal to mania ratio: ≥85dB
• Operating voltage: 7.4V
• Frequency Response: 20Hz-20KHz
• Battery capacity: 6000mAh
• Speaker: φ57mm*2x20W 
• Distortion: <1%
• Function: Bluetooth, card, U disk, data transmission, with color light