Lightweight & Elegant Cordless Earphones for Everyday Use, for Those Who Value Comfort & Sound Quality. the Charger Case has a Digital Display Showing the Battery Level & the Maximum Combined Autonomy (Case & Earphones) is Approximately 12 Hours.Material: Recycled ABS (100% Rabs)Wireless Transmission: Bt V54capacity: Case 200 Mah, Earphones 30Mahapproximate Autonomy: Case 25 Charges, Earphones 4Hfunctionalities: Hands-Free Calling, Volume Control & Mobile Device Playlistincludes: Usb-C Charger Cabledelivery: Kraft Paper Gift Box 61 x 49 x 29 Mm | Box: 62 x 32 x 74 Mm; Certificates Available: Rohs, Reach Minimum Quantities Apply.