Product descriptionShell material: ABS + acrylicBluetooth version: 5.0Transmission distance: 10 metersLoudspeaker: 50 mm full-range loudspeakerFrequency range: 20Hz-20KHzSignal to noise ratio: 102dbBattery capacity: 600mAhLifespan: 8 hoursPower: 5WProduct size: 6.5 * 6.5 * 9cmPackage contents:1 * bluetooth speaker1 * 3.5mm aux audio cable1 * USB charging cable1. Bluetooth 5.0 Wireless Connection The unique 5.0 wireless technology can be easily connected to smart devices from about 10 meters, and bluetooth devices establish stable and firm connection. The 3.5mm audio cable (included) can be used to play audio from desktop computers, TVs, and MP3 players.2. 7 color changes & stereo sound Colorful LED bluetooth speakers, soft lighting, the atmosphere at night is very nice, adjustable and turns off lighting effects. Speaker is noise free, 360 degree stereo sound, high speed and stable, clearer voice. Two loudspeakers can be connected to TWS, and as a combination you can enjoy super shocking stereo sound.3. Portable and Multipurpose This crystal sound glass wireless bluetooth audio light outdoor portable mini speaker weighing, mini compact and exquisite, very suitable for travel, hiking, camping and outdoor adventure. It slips easily into your backpack and listens to music anytime, anywhere. Hands-free calling allows you to quickly switch from melodies to talking to friends. With the built-in microphone, it is easy to take calls from the smartphone through the speaker.4. Rechargeable long-life battery Charge for 2.5 hours, this speaker can play for about 8 hours. The battery is long-lasting and energy-saving. This mini speaker makes the music unhindered all day.5. Music playback and worry-free after-sales service Enjoy the music via bluetooth, TF card or 3.5mm audio cable.