Dudao U4A OWS Bluetooth 5.3 Universal Earphone for Both Ears - Black The Dudao U4A Business Earphone is a modern and elegant solution for people who need reliable communication at work and on the go. With Bluetooth 5.3 technology, it provides a stable wireless connection, and the OWS (OPEN WEAR STYLE) design enhances the wearing comfort as the earbud does not go directly into the ear. A long standby time of up to 300 hours, IPX5 sweat and rain resistance, and compatibility with iOS and Android make it a practical tool for everyday conversations. ~ Specification: Brand: Dudao Model: Dudao U4A Bluetooth Version: Bluetooth 5.3 Bluetooth Chip: 5656C Bluetooth Range: Up to 10m Talk Time: 6 - 8 h Standby Time: 300 h Charging Time: 2 h Battery Capacity: 50 mAh Degree of Protection: IPX5 Material: Plastic Color: Black ~ Key Advantages of Dudao U4A Business Handset: Stable Bluetooth 5.3 Connection: Fast Pairing and Minimize Interference. OWS Design: Open form that does not go into the ear and increases the wearing comfort. Long standby time: up to 300 hours without the need for frequent charging. Universal compatibility: Works with iOS and Android. IPX5 resistance: protection against sweat and rain. ~ Stable connection without interference The modern Bluetooth 5.3 standard ensures smooth communication, fast pairing and high quality calls. OWS Wearing Comfort The open design of the OWS does not enter the ear, allowing you to use for hours without feeling discomfort. Long-lasting battery life Up to 8 hours of talk time and up to 300 hours of standby time ensure full standby time for days. Universal use The handset works with iOS and Android devices, working well for work and travel. Outdoor resistance The IPX5 protection rating protects the earbud from sweat and rain, allowing it to be used in a variety of conditions.