Key features:

• Bluetooth support for hands-free calling

• Multi-function remote control

• FM transmitter

• USB disk, Micro SD card, and TF card support

• Digital signal process technology (DSP) for superior voice quality

• 3.5 mm line-in jack to support external audio sources

• Automatic mode switching for incoming calls

• Dual 5 V 2.1 A USB charging ports

• 12 to 24 V DC plug designed for automotive power ports

Specifications and details:

• Model name: BT66

• Material type: High-quality plastic

• Item weight: 50 g

• Item size: 118 x 40 x 35 mm

• USB maximum support: 32 g

• Micro SD maximum support: 32 g

• Voltage: 12 V

• Output power: 1 W

• Output frequency: 20 to 15 KHz

• Supply voltage: 12 to 24 V

• Rated current: 90 mA

• Power consumption: 1 W

• Work temperature: 0 to 50 degrees

• Bluetooth version 2.1 + EDR

• Transmit distance: 10 m

• Frequency range: 87.5 to 108.0 MHz

• USB ports: Two at 5 V 2.1 A output

• USB charge output: 5 V 2.1 A

• Hands-free support: Voice calling, built-in microphone

• Supported file formats: mp3 and wma