2-in-1 Audio Adapter: This adapter functions as both a receiver and a transmitter, allowing you to easily switch between sending audio from your TV, PC, or other devices to your Bluetooth headphones or speakers, and receiving audio from your smartphone or tablet to play through your wired speakers. Bluetooth 5.4 Version: Experience high-quality audio transmission with minimal latency, thanks to advanced Bluetooth technology. Enjoy your favorite music and games with immersive sound quality. TF Card Support: Supports a maximum 64GB card. Music formats include MP3/WMA/APE/WAV/FLAC (TF card not included). Built-in 200mAh Battery: Our adapter offers 6 hours (after a full charge) of uninterrupted playback time, ensuring you can enjoy your entertainment without interruption. Compatible with a Wide Range of Devices: Works with computers, laptops, smartphones, tablets, and more. Say goodbye to tangled cords and enjoy wireless freedom with any audio source! Color: Black Material: ABS Package Contents: 1 x Bluetooth Adapter 1 x Type-C Charging Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real one. The allowed measurement error is +/- 1-3 cm.