Avantree Voyager HA Auracast & Bluetooth 5.4 Audio Transmitter for Headphones with Display Volume Control, Qualcomm Chip, Firmware Upgradeable, AUX Airplane, PC, and Wireless Listening

【BUILT FOR AURACAST PERSONAL LISTENING DEVICES】 Designed for modern Auracast-ready personal listening devices, such as GN Danalogic Extend, Jabra Enhance Pro 20, and ReSound Nexia. Pairing requires compatible smartphones (e.g., Galaxy S20+) or companion apps. 【WIRELESS AUDIO BROADCAST】Transmits audio wirelessly from airplanes, PCs, or any AUX source via Auracast or Bluetooth. Auracast requires a compatible receiving device. 【SIMPLE MODE TOGGLE & DISPLAY】Switch easily between Auracast and Classic Bluetooth using the physical slider. OLED screen shows real-time connection and mode status. 【ONBOARD VOLUME ADJUSTMENT】Control the audio output directly with volume buttons. Useful when the source device lacks its own volume control. 【UPGRADEABLE VIA FIRMWARE (DFU)】Future-ready with firmware upgrade support, allowing performance enhancements and wider device compatibility.