- TWS Bluetooth 5.4 technology provides a very stable wireless connection with fast transmission, eliminating signal loss and music dropouts. The built-in microphone supports hands-free calling, delivering clear stereo sound for calls and listening. - Long-lasting battery life: up to 4.5 hours of listening on a single charge. The charging case can recharge the earbuds up to 3 times, for a total listening time of up to 20 hours. Real-world performance: music playback about 4.5 hours at 80% volume, call time about 3 hours at 80% volume, standby up to 60 hours. Full charge of the case takes about 1.2 hours. - Semi-in-ear design: delivers high-definition, non-destructive sound with comfortable wear. Easy to answer calls and control playback or switching between tracks with minimal delay. - Durable and reliable: IPX5 rating for both earbuds and charging case makes them resistant to dust, sweat, and water. Comfortable to wear during workouts or daily use, with stable call clarity and seamless music control. - Easy to control from the stem: touch controls let you manage playback without reaching for your device. Swipe up or down to adjust volume, press to play/pause or mute/unmute on calls, press twice to end calls, and hold the stem to switch between listening modes. - Use scenarios: - Commuting or travel: enjoy stable Bluetooth connectivity, clear calls, and long listening time without frequent recharging. - Gym or outdoor workouts: IPX5 resistance protects against sweat and light rain while you control music hands-free. - Office or home use: quick access to calls and playback controls, with clear audio and comfortable long-term wear.