[2-in-1 Bluetooth 5.3 Technology]- Equipped with a bidirectional switch supporting both Transmitter (TX) and Receiver (RX) modes. This allows non-Bluetooth devices like airplanes, TVs, and vintage stereos to transmit or receive high-quality wireless audio signals via Bluetooth 5.3. [Foldable Dual 3.5mm AUX Plug]- Features a specialized foldable dual-prong 3.5mm connector designed for airline entertainment systems. This design allows users to utilize their personal Bluetooth earbuds or headphones on flights for improved hygiene and audio comfort. [Dual-Link Audio Streaming]- Supports simultaneous connection to two sets of Bluetooth headphones or speakers in Transmitter (TX) mode. This enables two listeners to share the same audio source from a single device, such as an in-flight screen or a television. [Extended 20-Hour Battery Life]- Integrated with a 270 mAh rechargeable lithium battery providing up to 20 hours of continuous operation. The high-capacity battery is designed to provide consistent power throughout long-haul flights and extended travel periods. [Wide Connectivity & 10m Range]- Provides a stable wireless transmission range of up to 10 meters (33 feet). The package includes an additional 3.5mm stereo cable to ensure compatibility with various home audio systems, gym equipment, and car stereos. ADAM elements EVE II 2-in-1 Bluetooth 5.3 Audio Transmitter & Receiver The EVE II is a versatile wireless audio adapter designed to bridge the gap between non-Bluetooth hardware and your wireless headphones or speakers. Featuring advanced Bluetooth 5.3 technology, it supports both Transmitter (TX) and Receiver (RX) modes. Whether you are navigating long-haul flights, using gym equipment, or upgrading a legacy home stereo, the EVE II provides a stable and reliable wireless connection for a seamless audio experience. Key Performance Highlights: ◼︎ Bidirectional Bluetooth 5.3 Technology: Equipped with a dual-mode switch that allows the device to function as either a transmitter or a receiver. This enables non-Bluetooth sources—such as airplanes, TVs, or MP3 players—to stream audio to Bluetooth headsets, or allows vintage stereos to receive music from smartphones and laptops. ◼︎ Foldable Dual 3.5mm AUX Interface: Specifically engineered for airline entertainment systems. The foldable dual-prong design fits standard 3.5mm aircraft jacks, allowing users to pair their own Bluetooth earbuds (such as AirPods) for improved personal hygiene and audio comfort during travel. ◼︎ Dual-Link Audio Sharing: In Transmitter (TX) mode, the EVE II can be paired with two sets of Bluetooth earbuds simultaneously. This feature allows two passengers to listen to the same audio source at once, making it ideal for shared in-flight entertainment or movies. ◼︎ Extended 20-Hour Battery Life: Powered by an integrated 270 mAh lithium battery, providing up to 20 hours of continuous playback on a single charge. This high-capacity battery is designed to sustain power throughout long-distance international flights. ◼︎ Wireless Range & Wired Versatility: Provides a stable wireless operating range of up to 10 meters (33 feet). For devices that require a direct connection, a standard 3.5mm stereo cable is included to ensure maximum compatibility across various audio setups. Technical Specifications: ◼︎ Bluetooth Version: 5.3. ◼︎ Operating Modes: TX (Transmitter) / RX (Receiver). ◼︎ Battery Capacity: 270 mAh (Up to 20 hours). ◼︎ Connector: Foldable Dual 3.5mm AUX + Single 3.5mm AUX. ◼︎ Transmission Range: Up to 10 meters / 33 feet. ◼︎ In the Box: EVE II Adapter, 3.5mm Stereo Cable, USB-C Charging Cable.