1. Relieve stress and help sleep: Gently coax and sing to help sleep and improve 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 bedtime stories, and it is safer without radiation. 2. Elegant appearance: The speaker has an elegant design and very fashionable color matching. The shell has a skin-friendly feel, and the overall appearance is curved. Physical button style, simple and easy to understand, timed shutdown, 30min/60min, automatic shutdown at free set time. 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. 4. 360 degrees gentle singing: Placed under the pillow, 360 degrees 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, very safe, compact design and easy Carry it to different places for use. 5. Dual speakers diffuse sound: 3D surround sound, clear and transparent high frequency, full and rich low frequency. Satisfy your pursuit of sound quality. It can be placed under the pillow, makes a very natural sound, and the child will fall asleep quickly. Size: 89.4x59.3x12mm Wireless version: 5.2 Wireless Name: CE-829V Battery capacity: 500mAh Battery life: 20H Connection method: wireless/TF card/audio input Charging socket: Type-C interface Audio Crossover: Full-Range Waterproof: Yes Communication: bluetooth Speaker Type: Portable Channels: 2 (2.0) Battery: Yes Power Source: USB Number of Loudspeaker Enclosure: 1 Input Power(W): Less than