If you are looking for wireless earphones with portable charging case, you miss this product. IPX5 waterproof and sweat proof, you can wear during sports, prevent sweat from damaging electronic component. Stable and quick connecting. Features - Material: ABS. - Size: About 8.79X4.85X3.04cm/ 3.45X1.91X1.19inch. - Adoption of , sturdy and durable for long-term use. - Portable and easy for you to carry, perfect for daily use and outdoor activities like shopping, walking, hiking, biking, etc. - Ergonomic design, comfortable and stable to wear. - listening effect, clear and vivid to listen. - Intelligent control, very convenient and easy to operate. Specification Waterproof rating: IPX5 Rechargeable battery capacity; 600MHA Headphone battery capacity: 50MHA Headphone transmission distance: about 10 meters Headphone standby time: 48 hours Play time: 6 hours Charging time: 1-2 hours Transmission frequency: 2.402GHZ~2.480GHz Band Package list: 1 x pair of headphones 1 x charging bin 1 x USB