1. Relieve stress and help sleep: Gently coax and sing to help sleep and sleep quality. Liberate both ears, no need to wear headphones, and say goodbye to the harm of long-term wear. Coaxing infant artifact, it can play children's stories, and it is without radiation.<br>2. Elegant appearance: The speaker has an elegant design and fashionable color matching. The shell has a -friendly feel, and the overall appearance is curved. button style, simple and easy to understand, timed shutdown, 30min/60min, automatic shutdown at free set time.<br>3. Type-c charging interface: 2 hours full charge, convenient blind insertion, safe charging, overcharge protection, safe to use. Long-term storage, slow power consumption, battery life up to 20 hours, long-term standby, long-lasting use.<br>4. gentle singing: Placed under the pillow, soft singing, industry black technology bone conduction technology allows you to enjoy music, no need to wear it without hurting your ears, lower radiation, children can also use it, safe, design and easy Carry it to different for use.<br>5. Dual speakers diffuse sound: 3D surround sound, clear and transparent high frequency, full and low frequency. Satisfy your pursuit of sound quality. It can be placed under the pillow, makes a natural sound, and the child will fall asleep quickly.<br>Size: 89.4x59.3x12mm<br>Wireless version: 5.2<br>Wireless Name: -829V<br>Battery capacity: 500mAh<br>Battery life: 20H<br>Connection : wireless/TF card/audio input<br>Charging socket: Type-C interface<br>Audio Crossover: Full-Range<br>Waterproof: Yes<br>Communication: bluetooth<br>Speaker Type: Portable<br>Channels: 2 (2.0)<br>Battery: Yes<br>Power Source: USB<br>Number of Loudspeaker Enclosure: 1<br>Input Power(W): Less than25 W<br>Bluetooth Version: 5.0<br>Playback Function: mp3<br>PMPO: 5W<br>Impedance: 4 Ohm<br>Output Power: 5W<br>Support Memory Card: Yes<br>color:Yellow<br>Material:plastic<br>Package Contents:<br>1 x Bone Conduction Music Box<br>Only the above package content, other products are not included.<br>Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.