Bluetooth headset V5.2 with a stable connection and clear sound. It uses a Bluetooth 5.2 chip for reliable pairing and strong wireless performance. Compatible with Android phones, tablets, laptops, MP3 players and other Bluetooth enabled devices. Inear comfortable wearing design. Lightweight at 3.5 g per earbud, designed to fit securely without falling out. The front and rear sound cavities feature a 108 small elevation angle design to balance air pressure inside and outside the ear. Three sizes of soft silicone eartips are included to match the ear canal without squeezing, allowing hours of comfortable wear. CVC 8.0 noise cancellation for clear calls. Deep noise suppression and intelligent call noise reduction improve sound clarity. The 13 mm moving coil unit with a large composite diaphragm provides detailed highs, strong mids and balanced lows for an immersive listening experience. Charging case and long battery life. The case has a 75 mAh capacity and supports up to 20 hours of continuous talk time and up to 200 hours of standby time. A full charge from the case is possible in about 1.5 hours, enabling reliable wireless calls on the go. Use scenarios Daily commute or travel: stable Bluetooth connection and clear calls, with allday listening and minimal dropouts. Office calls or remote work: comfortable fit for long use, effective noise management for clearer conversations. Workouts or outdoor activities: secure inear fit and reliable performance during movement.