Bose Ultra Open Earbuds, Immersive Audio Open-Ear Earbuds Color:Blue 21 Centimetres Power Source ‎Battery

21 Centimetres Power Source ‎Battery Powered Tweeter Diameter ‎1 Inches Water Resistance Level ‎Waterproof Number of Batteries ‎1 Lithium Ion batteries required

Model Name ‎Xtreme 4 Speaker Type ‎Multimedia Special Feature ‎Waterproof

Japan Model ‎SRSULT50W

It supports Qi-certified wireless charging and 22

and entertainment

Bose Ultra Open Earbuds, Immersive Audio Open-Ear Earbuds Color:Blue 21 Centimetres Power Source ‎BatteryTechnical Details Warranty 1 year date of purchase warranty support company wise Model Name Ultra Open Earbuds Connectivity Technology Wireless Wireless Communication Technology Bluetooth Included Components Charging Case, 2 Bose Ultra Open Earbuds,Charging Case,USB C (A to C) cable (12"),Safety sheet, USB C (A to C) cable (12"), Safety sheet Age Range (Description) Adult Material Plastic Specific Uses For Product General Purpose Charging Time 1 Hours