The QCY ArcBuds Lite are a pair of true wireless earbuds that offer a great combination of features, performance, and value. They feature active noise cancellation (ANC), high-resolution wireless audio, long battery life, and touch controls for music playback, volume, and call management. Driver size: 6mm Bluetooth version: 5.3 Supported profiles: HFP/A2DP/AVRCP Battery life: Up to 8 hours (ANC off), up to 5 hours (ANC on) Total battery life with charging case: Up to 32 hours (ANC off), up to 20 hours (ANC on) Charging time: 1 hour for earbuds, 1.5 hours for charging case Water resistance: IPX4 Touch controls: Yes ANC: Yes Ambient sound mode: Yes High-resolution wireless audio: Yes (aptX Adaptive and AAC codecs supported)