As versatile as they are beautiful, these earbuds with wireless charging case and active noise cancellation bring deep sound and snug comfort in one sleek package. SOUND Noise Isolation Adaptive Active Noise Cancellation Driver Type Neodymium, 9. 2 mm diameter Frequency Range 20 - 20, 000 Hz Customizable Sound EQ Presets available and fully customisable through Bang & Olufsen App DESIGN Designer Thomas Bentzen Fit True Wireless In ear Materials Aluminium Specialized toughened glass Polymer Silicone Dust and Waterproof Rating IP57 - dust and waterproof Dimensions (mm) Earphones: 22. 5 W x 34. 8 H x 22. 7 D Charging case: 66. 2 W x 48 H x 28. 1 DWeight Earphones: Right: 6g Left: 6g Charging case: 53 g (without earbuds) BATTERY Battery Life Up to 6 hours with ANC Up to 8 hours without ANC Up to 20 hours with charging case at moderate volume Charging Time Earphones: approx. 1. 5 h Charging Case (USB-C): 1. 45 h Charging Case (Qi Wireless): 2. 15 h Charging for 20 minutes gives approximatel