GC16 Car FM Transmitter Wireless Modulator Bluetooth-compatible Handsfree TF U Disk MP3 Player Dual USB QC3.0 Fast Charger Specification: Product model: GC16 Input voltage: 12-24V Output USB1: 5V/2.4A OutputUSB2: 4.5V/5A; 9V/2.5A; 12V/2A Supported fast charge protocol: QC3.0, FCP, AFC and other fast charge protocols (support super fast charging protocols such as for Huawei, for OPPO, for VIVO, etc.) Bluetooth-compatible version: Bluetooth-compatible 5.0+BR+EDR+BLE Supported audio format: MP3, WMV, WAV. FLAC and other lossless formats MP3 play mode: Bluetooth-compatible, TF card, U disk FM radio frequency: 87.5-99.9MHz Product size: 73.43*43.66mm/2.89*1.72 Product weight: 36g Product material: fireproof ABS+PC+aluminum alloy Note: 1. There may be slight size deviations due to manual measurement, different measuring methods and tools. 2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor. 1 X Car FM Transmitter