The RX-BN Taiger is a wireless neckband-style earphone with an advertised 120-hour music playtime and a TF/SD card slot for local music playback. It is a budget-friendly audio device typically found on e-commerce sites. 

Key features

·         120-hour playtime: A very large battery capacity (often 1000mAh) allows for extended music playback and standby time on a single charge.

·         TF/SD card support: A built-in memory card slot lets you play music directly from an SD card (usually up to 128GB), so you don't need a connected phone.

·         Bluetooth 5.2: Equipped with a modern Bluetooth version for faster, more stable connections.

·         LED power display: A digital display shows the remaining battery life.

·         Magnetic earbuds: The earbuds have magnets to keep them secure and tangle-free when not in use.

·         EQ sound selection: The device allows for the selection of different sound modes. 

How it works

The RX-BN Taiger offers two primary ways to listen to music:

·         Bluetooth mode: Pair the earphones with your phone, tablet, or another device to stream audio wirelessly.

·         Card mode: Insert a microSD card with your audio files into the built-in slot to play music directly without a separate device. 

Important considerations

·         Playtime claims: The 120-hour playtime is a maximum value and depends heavily on factors like playback volume and connection type. Actual performance may vary.

·         No brand information: The specific manufacturer "RX-BN Taiger" appears to be a generic brand name used by sellers on various marketplaces rather than an established audio company.