This product makes it easier to answer your phonecall and listen to music while driving. Keys design is simple, easy to operate, driving safer. Features: One-click answer the phonecall, automatic noise reduction, effectively block the noise, call clearer. Supports multiple audio modes. BT5.2, higher transmission efficiency and more stable performances. After the BT connection, it will be automatically connected back. Large LED display for easy reading. Support memory card playing (not included). Supports FM or 3.5mm AUX interface for BT connection. Specifications: Color: black Material: ABS+PC FM transimission frequency: 87.5-108MHz FM transimission distance: 5m BT: 5.2 SNR: 85db (FM: 65db) BT frequency: 2.4GHz Support memory card capacity: 32G BT distance: 10m Item size: 73 * 33 * 14mm / 2.9 * 1.3 * 0.6in Item weight: 55g / 1.9ounce Package size: 170 * 130 * 40mm / 6.7 * 5.1 * 1.6in Package weight: 70g / 2.5ounce Packing List: 1 * FM Transmitter