Features: High-speed output: 36W dual fast charging, high-speed output, can charge 3 devices at the same time, intelligent identification and matching current does not hurt the battery, continuous enjoyment. Five-way key design: Exclusive five-way key design, flexible operation, a novel way to enjoy more experience. Call effect: Super Bluetooth call effect, super large microphone, 360-degree surround radio. Ambient light: The ambient light moves with the music, the light color is soft and melodious, start bass and bass on the way home at night, 360-degree surround sound, so that your journey is not lonely. Lossless transmission: New 5.0 Bluetooth chip, faster response, more stable connection with low power consumption, improved intelligent chip, automatic shutdown when charging. Power off memory playback: Start automatic connection. Memory channel, track power restart after playback. Performance Description: Material: ABS Color: Black Size(Approx): 44*37.1*88.6mm/1.7*1.5*3.5in(L*W*H) Current: 5V(FM Transmitter) Voltage: 12-24(V) Transmission Frequency: 87.5(MHz) Frequency Response: 108(Hz) Distortion: 95(%) Effective Range: 5(m) Left and Right Channel Isolation: 85(dB) Package Included: 1pc x Car Adapter Note: 1. Due to the light and screen difference, the item' color may be slightly different from the pictures. 2. Please allow 0.5-2cm differences due to manual measurement.