Feature:1. Bluetooth wireless transmission technology, highefficiency and stable wireless transmission, can be used easily whether indoors or outdoors.2. Equipped with four fullfrequency internal magnetic speakers combined with 2.0 channels, and the doublesided air duct design provides a powerful bass effect.3. The Bluetooth version of V5.0 provides high stability, high resistance, high sound quality, and more effectively provides highquality audio enjoyment with zero delay.4. Not only listening to music, but also adding more fun, the radio, opera, current affairs news can be switched at will, and it is the best gift to accompany parents.5. The sound quality is clear and no noise, the speaker has a builtin digital signal sound processor, the sound is clear and no noise, which is convenient for your use.Specification:Item Type: RGB SpeakerMaterial: ABSBluetooth Version: V5.0Transmission Distance: 8-10 metersMusic Playback Time: About 3 hoursCharging Time: 2-3 hoursStandby Time: 240 hoursBattery: 2000mah lithium battery (shipped with built-in battery)Remote Control Battery: 1 x button battery CR2025 with a capacity of 140mah (the remote control is shipped with batteries)Speaker Power: 5Wx4Support: Memory card, U disk, 3.5mm, coaxial, with radio function, RGB colorful lights, infrared receiving port (with remote control).Package List:1 x Speaker 1 x Remote Control1 x RCA Cable1 x AUX Audio Cable1 x USB Charging Cable1 x Manual