?Sleep-Inducing Melodies: With 6 soothing lullabies built-in, this device helps your baby peacefully fall asleep to enchanting melodies ?Extended Usage: Enjoy up to 4 hours of continuous use on a single full charge or up to 10 days of intermittent use, ensuring long-lasting convenience ?Adjustable Brightness: Select from three brightness levels to create a soft and cozy lighting atmosphere that suits your preference ?Portable Handle: Featuring a convenient handle, it's easy to carry this device wherever you need it, providing comfort and entertainment for your child ?Bluetooth Connectivity: Connect your device via Bluetooth to play your favorite tunes and enhance the experience with captivating lights Specifications: ?Product Model: YPH-0119 ?Power Supply: Rechargeable Lithium Battery ?Materials: Eco-friendly ABS + PC + Silicone + Leather ?Product Dimensions: 164 x 98mm ?Battery Capacity: 1800mAh ?Light Source Power: 3W ?Power Output: DC5.0V=0.85A Package included: ?1 x Night Light ?1 x Data Cable ?1 x Chinese and English User Manual ?Other items not included