• Bluetooth-compatible transmission, free connection: Bluetooth-compatible 5.0 connection, providing you with strong and stable signal transmission and low power consumption mode of operation, can be connected to two audio devices at the same time to take turns playing
• 4 playback modes 5 music file decoding: support Bluetooth-compatible connection, TF card playback, U disk playback, AUX audio playback support lossless FLAC, APE format MP3, WAV, WMA music decoding
• Bimetallic diaphragm explosive auditory feast: the speaker is equipped with a bimetallic diaphragm, effectively enhancing the low frequency, so that the bass clearly outflow, and enjoy the surging sound quality anytime, anywhere
• 180° LED light show to turn your party upside down: high-resolution colorful LEDs are stunning and move with the music to customize the interactive lighting theme
• Cool Rhythmic Effects Synchronized with the Beat Light Show: Fun ring lights and cool rhythmic effects synchronized with the beat of the music are available to create an atmosphere for life
• Standard 3.5mm jack connection Compatible with a variety of devices: Support AUX audio cable connection, compatible with most tablets, cell phones, and other digital devices, one machine multi-purpose makes you impeccable
• All-weather IP67 protection: upgraded IP67 grade waterproof & dustproof body, no fear of sand, dust, heavy rain, and other environments, and even can be completely submerged in water, indoors and outdoors can easily enjoy the music 
• Lightweight and portable, enjoy with you: braided lanyard design, firm and durable easily screw up the speaker, can be hand-held or hung on the backpack, wherever you go, it is a convenient travel partner

Specifications:

• Wireless Standard: 5.0
• Transmission distance: 10m
• Output power: 10W
• Playing time: 4-6hours
• Frequency effect: 80Hz~15KHz
• Waterproof grade: IP67 waterproof
• Speaker: 66mm, 40 10W
• Input power: 5V=1A
• Maximum current consumption: 1A
• Battery type: 18650 lithium-ion battery 1800mAh
• Audio signal input interface: standard 3.5mm (stereo)