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. Ultra light weight open ear design.Specifications:Frequency Response: 50Hz-16kHzWireless Range: 10 MetresPlaytime: Up to 7 Hours (28 hours with Case)Charging Time: 1 Hour (Earbuds) | 2 Hours (Case)Battery Capacity: 58mAh (Earbuds) | 600mAh (Case)Speaker Sensitivity: 95.5 dB 2.5dBMicrophone Sensitivity: -38 dB 1dBBluetooth Version: 5.2Speaker Type: Air Conduction TransduerMaterial: PC / SiliconeFrequency Band: 2402MHz – 2480MHzWeight: 8.3g (per Earbud) | 57g (Case)Water Resistance: IP54 (Case not Water resistant)Compatible Profiles: A2DP / AVRCP / HSP / HFP: 2 YearsFeatures:CompactLightweight earbud designUp to 28 Hours of playtime (With Case)USB-C Fast charging (5 Minutes gives 1 hour of battery life)Open Ear concept allows you to hear your surroundingsDual-layered Ultra-Soft Silicone for long lasting comfortDolphin arc ear hook with built-in 0.7mm ultra-fine flexible memory wire – Adapts to your ear shapePowerful Bass Experience with NEW DirectPitch Technology – Bold Highs, clear mids and surging bassHigh-Strength Carbon Fibre inner domePowerful 18 x 11mm Dynamic DriverPerfect for use at the Office, Home or during sports activitiesAI Noise Cancellation – Filters out up to 99.7% of ambient noise during callsEasy one touch controlsIP54 Water resistantControl via the SHOKZ AppWhat’s in the box?1 x Shokz OpenFit Open Ear True Wireless Earbuds1 x Charging Case1 x USB-C Charging Cable1 x Carry Bag1 x User Manaual