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