Features: Bone conduction black technology, 360 stereo, Bluetooth 5.0, shocking high and low bass, compact and light, long-lasting battery life, fast connection, pickup atmosphere light, tight fitFunction: 1 Sound shifting and changing environment: Everything makes sound, bone conduction black technology, on different media carriers, through high-frequency and low-density vibration amplification sound.2 Pickup light effect: The atmosphere is directly pulled to the maximum, the lights jump with the rhythm of the music, and the atmosphere is full!3HIFI stereo sound effect: Immersive, the sound is clean and saturated, the sound is melodious, just like being in the soul singer's concert, shaking the heartstrings.4Everything has sound: Listen to the sound of the elements, using bone conduction technology, attached to the medium plane, and achieve amplification effect through the vibration contact surface5More materials make sounds: Waiting for you to explore, using bone conduction technology, attached to the medium plane, and achieve amplification effect through the vibration contact surface6Upgrade Bluetooth 5.0: Faster and more stable connection, using 5.0 Bluetooth chip, stronger compatibility, say goodbye to unstable connection interruption, and output more stable sound quality for youProduct name: Bluetooth bone conduction speakerMaximum power: 5.4WBluetooth version: V5.0Speaker type: 3W strong magnetic resonance speakerProduct size: 3.1*3.1*2.6cmBattery capacity: polymer lithium battery 400mAhTransmission distance: 30 metersLamp type: RGB fantasy lightScope of application: smart devices such as mobile phones, tablets, computers