ORYTO OW30 true wireless stereo earbuds is born to support your office call,listen to music. Specifications Model: OW30 Bluetooth Version: 5.0 Bluetooth Transmission Range: 33 feet/10 meters Supporting Protocols: A2DP/HFP/HSP/AVRCP Charging Time: 1 hour (earbuds), 2 hours (charging case) Battery Life: up to 5 hours (varies according to volume level and audio file) Package Contents Wireless Earbuds * 1Pair 420mAh Charging Case *1PC Type-C Charging Cable *1PC Ear caps * 3Pairs (large,medium and small) User Manual*1PC NOTE: 1. Fully charge both earbuds and charging case when first-time use; keep the charging port dry before charging; use the provided Type-C charging cable, or wireless charging pad with QI certificate to get charging. 2.If you encounter any questions of your ORYTO wireless earbuds, please feel free to contact us via the e-mail address provided in the user manual.We are glad to serve at you and resolve the problem in your purchase experience if any of it, providing you with satisfactory service. Features True Wireless Earbuds, Led Indicator Display,Easy Touch Control,Wireless Charging, Type-C Fast Charge,Bluetooth 5.0, Long Battery Life, Hi-Fi Stereo Sound,Lightweight, Sporting,Housework,Business, IPX5 Waterproof, Powerful Compatibility for iPhone Android and PC.