Bluetooth 5.0 TechnologyThe unique 5.0 wireless technology allows easy connection to smart devices at around 10 meters, establishing a stable and strong connection. Audio from desktop computers, TVs, and MP3 players can be played back using the included 3.5 mm audio cable. Music can also be enjoyed via a TF card.7 Colour VariationsColourful LED Bluetooth speakers with soft lighting, adjustable and switchable lighting effects, noiseless speakers, and 360 stereo sound for a clear and stable listening experience. Two speakers can be connected to the TWS and you can enjoy superb stereo sound.Hands-free CallingWith a built-in microphone, you can take calls from your smartphone through the speakers, allowing you to quickly switch from music to chatting with friends.8H PlaytimeWith a built-in 600mAh rechargeable battery, this speaker can play for approximately 8 hours on a 2.5-hour charge. This battery is long-lasting and energy efficient. Let you enjoy your music to the fullest.Wireless and PortableThis portable crystal stereo are lightweight and compact, making it easy to slip into your backpack and enjoy your music whenever you want. Perfect for travel, hiking, camping and outdoor adventures.SpecificationProduct name: Wireless Bluetooth SpeakerLight effect: seven-colour rhythm flashing lightHousing material: ABS+acrylicBluetooth version: 5.0Transmission distance: 10mSpeaker: 50 mm full-range speakerFrequency range: 20Hz-20KHzSignal to noise ratio: 102dbBattery capacity: 600mAhLifespan: 8 hoursPower: 3WProduct size: 6.5 x 6.5 x 9cmPlayback mode: Bluetooth, CardParts List:1 x Bluetooth Speaker1 x 3.5mm Auxiliary Audio Cable1 x USB Charging CableNote:1. There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color.2. Please allow slight dimension difference due to manual measurement.