Bone-conduction Bluetooth Audio 360 Shocking High And Low Stereo Sound With APP Control The Polar-atmosphere Lamp Wireless Subwoofer Features: Product name: Colorfu Tempo Bone-conduction BT Speaker Product material: ABS Product colour: Black Transitmision distance: >30 m Product bluetooth version: 5.0 Charging input: Type-C/ 5V-0.3A Maximum power: 5.4 W LED Type: RGB-LED Horn type: 3 W strong magnetic resonances horn Bead type: RGB magic-color lamp Battery capacity: lithium battery 400 mAh Product weight: 45 g/0.10 lb Package weight: 224 g/0.49 lb Product size: 3.1x3.1x2.6 cm/1.22x1.22x1.02 in Package size: 5x5x4 cm/1.97x1.97x1.57 in Product Description: Built-in multi-clock effect/color can be switched at will, with Bluetooth resonance sound colleague playing music, sound- synchronization, bringing people audio-visual synchronization enjoyment, making people physically and mentally happy. Special resonance horn unit is used to attach this product to any through reusable Water-washed nanogel ,so as to resonate and go various sounds with different effects. Built-in 24 colorful beads and microphone, the tempo will jump when playing music or there is sound around the product. Long-distance connection is not stuck - A2DP technology is adopted, Bluetooth can be connected within 30 meters, beautiful audio can be heard at any, and 1 device can connect multiple bones-conduction audio to realize home concert. This Bone-conduction BT Speaker has an easy-to-use button control, which is easy to operate. You can easily change the track, volume and pairing with just a tou-ch. The Package Include: 1x Bluetooth audio 1x Data cable(Type-c)