SK19 Mini Noise Reduction Sleep Bluetooth Earphones In Ear New Ultra Small Two Ear Bluetooth EarphonesFeatures:Experience unparalleled comfort and sound insulation with these innovative invisible sleep earplugs designed specifically for lateral sleepers. Very suitable for a peaceful carry at night. Enjoy the privilege of wireless technology through Bluetooth 5.3 connection, ensuring stable audio streaming and providing a seamless listening experience. Stay in feel without any trouble. This mini and small sleep earplugs are designed to be lightweight and comfortable to wear. When you enter a peaceful sleep, you will forget to wear them. Comes with a charging case, with a battery life of up to 20 hours, allowing you to enjoy uninterrupted relaxation and sleep without worrying about power issues. Noise reduction technology: Advanced noise reduction technology is adopted to effectively isolate external noise interferenceProduct Description:Product Name: Bluetooth Earphones Colors: black Material: Plastic Battery capacity: Headphones: 25mAh, Headphone compartment: 180mAh Charging interface: TYPE-C Product size: 4x4x2.7cm (1.57x1.57x1.06 inches) Packaging size: 7.5x10x3.5cm (2.95x3.94x1.38 inches) Gross weight: 64 grams (0.14 pounds)Package Contents:1x Bluetooth earphones 1x charging cable 1x instruction manual