These Philips Headphones Offer Innovation, Sustainability & Excellent Sound, Ideal for Environmentally Conscious Users. Made From 35% Recycled Plastic, They Fit Perfectly into Philips Sustainability Program. the Eco-Friendly Packaging is Made From Recycled Cardboard Card & is Printed with Soy Ink. An Integrated Solar Cell is Produced Using 100% Renewable Energy, Enabling Charger Via Sunlight. the Headphones Deliver Impressive Sound with Clear Transparent Tones & Deep Bass, Inspired by the Philips Fidelio Series, & the Ai ??Microphone Ensures Noise-Free Calls. Thanks to Ip55 Certification, the Headphones Are Water, Sweat & Dust Resistant. the Lightweight Design with Breathable, Washable Ear Cushions Provides Comfort Even During Intense Activities. the Battery Lasts Up to 28 Hours, with 7 Hours on a Single Charge & an Additional 21 Hours Via the Charger Case. Just 5 Minutes of Charger Gives You an Hour of Listening Pleasure, & a Full Charge Takes Just 2 Hours Via Usb-C. Bluetooth 5.3 Technology with Multipoint Connection Allows You to Pair Two Devices Simultaneously, Ideal for Both Sports & Everyday Use. Minimum Quantities Apply.