Earbud Playtime: Up to 9 hours Additional Case Playtime: Up to 24 hours Fast Charging: 10 minutes provides up to 1 hour of playback Bluetooth: Version 5.3 Wireless Range: Up to 10 m Microphones: 4 total, with 2 microphones per earbud Noise Reduction: Environmental Noise Cancellation Usage Mode: Mono mode supported Driver Size: 12 mm Audio: Hi-Fi sound EQ Presets: 3 Controls: Touch controls Comfort: Secure fit with passive sound isolation Water Resistance: IPX5 Wireless Charging: Qi-certified