[TWS & BLUETOOTH 5.0] - Adopt the most advanced Bluetooth 5.0 technology Support HSP HFP A2DP AVRCP Provides in-call stereo sound Also own fast and stable transmission without tangling.$[Hi-fi stereo sound quality] - Offer a truly authentic sound and powerful bass performance with 8mm large size speaker driver - the drive area is 1.77 times than the normal drive area.$[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 earbuds.$[IPX8 waterproof]- Earbuds and charging case inner Nano-coating makes it possible to waterproof for 1 meters deep for 30 minutes. It is suitable for sports to prevent water. Ideal for sweating it out at the gym . Even Wash the earbuds and base.$[Charge on-the-go]-Such wireless earbuds can last for over 4 hours' playtime from a single charge and 14 extra hours in the compact charging case. Charging case support wireless charging. Providing convenient charging way with no strings attached.