Input Type: bluetooth Output Type: USB Built-in Battery: Yes TF card is only for demonstration purposes! Plug and play TF card Support TF card playback, Support TF card playback, built-in intelligent decoder, can directly play TF card music. Easy to use, key operation Support television Instant Wireless Earphones, Resolve the issue of TV not being able to connect, wireless headphones Color: Black Material: ABS Package Contents: 1 * Bluetooth transmitter and receiver 1 * Charging cable 1 * AUX cable 1 * English instruction manual 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.