Product description1. [TWS amp; Bluetooth 5.0] - Adopt the most advanced Bluetooth 5 0 technology Support Provides in-call stereo sound Also own fast and stable transmission without tangling2.[Hi-fi stereo sound quality] - Offers a truly authentic sound and powerful bass performance with speaker driver?New noise reduction technology allows you to devote yourself to music even in noisy places.3.[One step pairing] - pick up 2 headsets from charging box They will connect each other automatically then only one step easily enter mobile phone Bluetooth setting to pair the earbuds4.[ waterproof]- earbuds and charging case inner Nano-coating makes it possible to waterproof. It is suitable for sports to prevent water. Ideal for sweating it out at the gym . Even Wash the earbuds and base5.[Charge on-the-go]-wireless earbuds can last for over 4 hours' playtime from a single charge and hours in the compact charging case. Charging case support wireless charging. Providing convenient charging way with no strings attached.