Realme Buds Air 2 Wireless Headphones connect wirelessly via Bluetooth 5.2 TWS technology. The TWS ensures one-step quick pairing. It is compatible with devices like smartphones, desktops, TV, tablets, laptops, etc. Its microphone provides hands-free call receiving and 88ms low latency reduces distraction. The earbuds give 25 hours of playback time on a single charge. It gives 33 feet wireless Bluetooth range. Also, its 25dB Noise Cancelation technology prevents unwanted background noise. It is equipped with R2 energy-efficient chip that enhances the battery capacity. You can adjust 3 EQ Presets by downloading the realme app.