Item Type: Colorful Bone Conduction Speaker Weight: 216g/7.6oz Material: ABS Product Battery Type: Lithium ion battery (shipped with built in battery) Battery Capacity: 400 mah Bluetooth Version: 5.0 Lighting Type: RGB Colorful light SpeakerType: 3W strong magnetic resonance speaker Number of Lamp Beads: 24 Charging Port Type: Type C Charging Time: 2 hours 40 minutes Package List 1 x Speaker 1 x Instructions 1 x Charging Cable 2 x Patch The product is not waterproof, do not place the product near water sources. 1Sound Transfer: The sound box uses bone conduction technology, through the vibration between the media to sound, when you change the carrier of different materials, you can emit different effects of sound, most objects can be used to sound. 2Everything Sounds: You can feel the natural sound of the product placed on the wood, you can feel the at effect of the home theater on the metal, and you can feel the charm of the vinyl record on the paper. 3HiFi Level Stereo Sound: Stereo sound with 3W speaker brings clean, saturated, melodious sound effect, when you have two speakers at the same time, you can combine the left and right channels to achieve immersive effect. 4RGB Pickup Light Effect: When there is music nearby, the microphone will actively capture the change of sound, follow the melody of the song for light effect change, built in has a variety of light effects, the color can be switched at will. 5Relay Playback: The product is equipped with Bluetooth 5.0 technology, which brings a strong connection effect, supports multi device connection, effective connection within the 30m range, you can place multiple speakers at home, and hear where you go. 6Rich Compatibility: The product supports most smart devices that support Bluetooth, such as smart phones, smart cars, laptops and other devices.