Bluetooth version 5.0 Supports 6.5mm microphone input Supports music backing vocals to eliminate original sound Supports hands-free calling (long press the pause button to answer incoming calls) Supports recording function in TF or USB mode (long press the MODE button to start recording, long press again to stop and save; long press the pause button to exit recording mode; requires connection to a storage device such as a USB flash drive or TF card) Supports power failure memory Power supply voltage: DC 8V–26V, current: 2–5A Can be directly connected to speakers Supports audio formats: MP3, FLAC Main functions: MP3, USB, TF, LINE IN, FM, Bluetooth, remote control Output power: 200W (100W per channel for left and right) Color: As shown Material: Plastic Package contents: 1 x Audio Amplifier Player 1 x Remote control 1 set x Cables Package includes only the items listed above; other items not included Note: Due to light reflection and display differences, the color in the image may slightly differ from the actual product. Measurement error allowance: +/- 1–3 cm