Bowers & Wilkins PI 5 CG; In-Ear True-Wireless headphones; Bluetooth 5.0 with AptX technology, Active Noise Cancelling (ANC); wireless and USB-C-charge; supports quick charge; frequency range: 10 Hz - 20 kHz; 2 mics for telephone communications and adaptive ANC in each earphone; distortion: <0,3 % (1 kHz / 10 mW); rechargable Lithium-Polymer-accu (earphone and charge-case); running time: up to 4,5 hours (earphones), in addition 20 hours via charge case, in total 24,5 hours; quick charge: 15 minutes charging for 2 hours running time; weight: earphone 8 g, charge case 47 g, total 63 g; including: 20 cm USB-C to USB-C charge cable, Ear-Tips in Small / Medium / Large; color: Charcoal grey