FM transmitter / Bluetooth handsfree kit with microSD card support, AUX input, 1.44" display, and two USB charging ports. Product Features: - 2 USB charging ports - microSD card slot - AUX input - material: ABS plastic and metal - power supply: 12-24V cigarette lighter socket - charging current: 5V / 3.1A - supported formats: WMA/MP3/WAV - A2DP support - FM transmitter operating frequency: 87.5 - 108MHz - Bluetooth V3.0 - displays track names In the set: - FM transmitter - AUX cable minijack 3.5mm weight: 90g Number of pieces in carton: 100