LCD Bluetooth Mp3 Player USB Charger Handsfree Fm Transmitter Voltage Wireless 5V 2.1A Dual USB Handsfree Car Kit Charger Set Features: Item Type: Bluetooth Car Kit Item Size: 11.00 x 2.50 x 1:50 cm Model Name: none Special Features: Support Bluetooth music play Feature1: Adjustable angle Feature2: Car battery voltage current LED display screen Feature3: Frequency Response: 87.5 - 108.0MHz Feature4: Dual USB output Feature5: Bluetooth V3.0 EDR Feature6: Support MP3 format Feature7: Support Bluetooth music play Feature8: Automatic power-off memory function Feature9: Support two-way plug USB Feature10: Echo cancellation and noise suppression (CVC)