OpenFit continues the Shokz open-ear concept to let users enjoy all-day comfort and hear their own soundtrack while staying open to the world around them. OpenFit offers an ultra-lightweight, open-ear construction to hear both your own audio and every sound around you with crystal clarity. DirectPitch technology produces a full audio experience to immerse yourself in your favorite songs, podcasts, and audiobooks. A flexible ear hook design combines stability and comfort. Moments are precious, and OpenFit gives you the freedom to hear every one of them. Battery: Continuous play OpenFit: Up to 7 hours of listening time with a single charge OpenFit with Charging Case: Up to 28 hours of listening time Charge time Charge the earbuds with the charging case: 60 minutes Empty case with charging cable: 120 minutes Standby time Up to 10 days Battery capacity Earbuds: 58mAh Charging case: 600mAh Charge voltage 5V Quick charge: A 5-minute charge gives 1 hour of battery life Connectivity: Bluetooth version 5.2 Wireless range: 33ft Design: Sweat resistance: Earbuds are IP54, Charging case is Not waterproof Weight: Earbuds: 8.3g, Charging case: 57g, Total weight: 73.85g Sound: Frequency response: 50Hz to 16kHz Speaker sensitivity: 96dB Microphone sensitivity: negative 38 dB Shokz OpenFit Open Ear-Wireless Earbuds - Black