Features:1. Unique crack appearance, LED colorful lights Bluetooth-compatible speaker.2.Wireless transmission, support hands-free calling.3. Support U disk, TF card, audio input.4. Can be connected to computer, mobile phone, MP3, etc.5. Large capacity, large volume, high-pitched and powerful.Specification:Speaker type: portable speaker.Material: ABS.Color: black, white, blue, red, green.Power supply mode: 5V; built-in battery 300 mA.Effective power: 3W.Size: 6X6X6cm.Weight: 100g.Transmission range: up to 10 meters the data is measured in open and unobstructed areas,walls and buildings may affect signal transmission.Cabinet Material:MetalSpeaker Type:PortableCommunication:BluetoothBattery:YesFeature:NoneChannels:1Power Source:DCNumber of Loudspeaker Enclosure:1Audio Crossover:Full-RangeBuilt-in Microphone:YesDisplay Screen:NoIntelligent Personal Assistant:None Package List:1 x Speaker1 x Charging Cable