1. Stable Connection & Instant Pairing: Adoption of most advanced Bluetooth 5.0 technology means stable connection & low latency. No cut in and out. Connection works well within 33ft. Reconnect to your cell phone automatically after initial pairing.
2. Longer Playtime & Portable Charging Box: 3.5 hours of music playing time or 5 hours hands-free calling time, totaling 21H or 100 hours standby time.
3. HD Sound Quality: True wireless 3D stereo Bluetooth features super deep bass & clear crisp mids/highs, letting you appreciate all the details of your music.
4. Fit Snug in Ears & Comfortable: Ergonomically designed true wireless sports earbuds and 3 different sized earplugs ensure a soft fit in the ear, and comfortable without hurting your ears.
5. IPX6 Water Resistant: Efficiently protects Bluetooth earphones from sweat or even in the heavy rain or take a bath and ensure more guaranteed life span. Good for running, cycling, hiking, yoga, exercises, gym, fitness, traveling, etc.