Tunez Rhythm R03 Wireless Neckband | 3.7 V/250mAh BatteryThe Tunez Rhythm R03 Wireless Neckband Earphones are designed to deliver clear sound, reliable wireless connectivity, and comfortable everyday listening. Built with Bluetooth 5. 2 technology, the R03 ensures stable pairing with smartphones and other Bluetooth enabled devices. Whether you are listening to music, taking calls, or working on the move, these neckband earphones provide balanced audio, deep bass, and clear voice communication. The ergonomic