Specifications: Item Name: Car Charger Material: ABS, Metal Bluetooth Version: 5.0 Working Voltage: 12 - 24V Limit Voltage: 9V - 26V Sensitivity: -42dB+/3db360 Working Current: 45mA Standby Current: 25mA Frequency: 2.402 - 2.480ghz Bluetooth Effective Distance: 8 meters RF Output: 4dBm FM Frequency: 87.5MHz - 108.0MHz Transmit Power: 87dBuv/107dBuv FM transmission Distance: 2Meters Features: Multifunctional, Bluetooth5.0, Hands-free Call Size: 74mm x 48mm x 40mm/2.91" x 1.89" x 1.57" (Approx.)