Model Number: Q7S-01 Brand Name: GXYKIT Key Specifications/Special Features: Feature:- Wireless Bluetooth V3.0 connection, digital LED display, convenient to use music partner.- Any angle adjustable, applicable for all types of vehicles.- Support inserting TF card (not included), allow you to enjoy music from your storage devices through the car audio.- Support next/previous song, volume up/down, stop function.- Bluetooth hands-free phone call answering/hang up/call back function.- Support Bluetooth mode/TF card mode/FM mode, seamlessly switch between incoming call and music mode.- With sticky base, allow you to place it on car dashboard for easy accessibility.- With fashionable compact portable design, perfect gift for car owners.- USB charge adapter, support 12 - 24V voltage from the car cigarette lighter, USB max output 5V/2.5A for device charging. Item CAR Q7S Player format MP3/WMA Color Black, silver, gold, rose gold Degree of Distortion (%) Less than 0.1 percent Features Breakpoint memory playing, Controllable power switch Frequency Response 20Hz - 15Khz Operating temperature 0-50℃ Bluetooth version V3.0 Material Electronic components, plastic Bluetooth protocol A2DP Limit voltage 9-26V Transmit Distance 10-15m Music source Cellphone, TF/micro SD card Transmit Frequency 87.5-108mhz Applicable products Fully compatible with apple, Samsung, millet, Huawei, HTC, Nokia, and other mobile phone and tablet PC.