Features: Hi-Fi Music Player:The HiFi music player has upgraded and adjustable DSP music lossless sound quality and supports enhanced high and low sound effects. Wheel Adjustment: The wheel adjusts the volume and can also adjust the sound effect according to one's own music style just like being in a music scene. Dual Color Light Bar: On the right side of the player there is a dual color light bar that follows the rhythm of the music. The player supports 64G USB drive reading. Hands-free Call: Press the button once to answer the call. Long press for two seconds to turn off the Bluetooth-compatible player only retaining the charging function. Dual Interface Charging: USB-A+USB-C can be charged through two interfaces which is 80% faster than a typical charger. Specifications: Material: ABS Size: 81.5*58.7*120mm Weight: 84.5g Bluetooth-compatible Version: 5.3 Charging Method: 5V/2.4A + PD30W Fast Charging Notes: Please note that due to the influence of light and screen slight chromatic aberration is acceptable. Please allow slight measurement error due to manual measurement. includes: 1 *Car MP3 Player "