Operating voltage: 3.7V SNR: > 80DB Bluetooth version: BLUETOOTH5.0 Charging voltage: DC5V 500-1000mA Distortion: < 1% USB specification: USB2.0/USB1.1 File format: MP3, WAV Horn specification: 45mm 42 3W Frequency response: 20-20 KHZ Battery capacity: 2500mAh Product size: about 175*73.5*54mm Specifications: 6D surround sound, colorful flashing light, dual speakers, independent diaphragm, 1FM radio Multi-color optional color outstanding function, make your heart in love with it The 360 Surround Superior sound is powered by two customized 45MM high-power speakers, which are twice as loud as normal speakers and have strong sound penetration even in noisy outdoor environments Immersive hearing lossless HIFI, fantastic, beautiful and full of sound, just like being in a live soul singer concert Shock shock heavy subwoofer 3W double speakers + independent bass diaphragm, bass shock more tension strong bass impact your every auditory nerve Technology appearance colorful breathing lamp horn adopts modern science and technology sense design concept, science and technology sense eye shape sharp god, horn lamp changes with the frequency of music Independent high-quality chip equipped with bass chip, FM chip, voltage protection chip, light management chip to create a more powerful flagship speaker Bluetooth 5.0 multi-device compatible hands free, Bluetooth 5.0 upgraded chip, 10 meters barrier-free connectivity The M5 Bluetooth speaker has a built-in microphone, making the sound as clear and bright as music, with intelligent noise reduction and no delay FM radio to enjoy the fun of the radio not only listen to music, but also increased more fun, radio, opera, real-time news switch, so that you do not go out can also know the information outside The built-in 2500 mah battery can listen for 8-12 hours on a single charge, injecting lasting power and keeping the music open. Package Included: Bluetooth speaker*1 The instruction*1 USB charging line*1