Product name: Bluetooth tone pre-module
Product model: ZK-PT1
Bluetooth version: 5.0 (unobstructed, 10 meters)
Signal to noise ratio: greater than 90dB
Input method: 3.5mm audio input + Bluetooth input
Output mode: AUX output (connect to active speakers and headphones)
Number of channels: left and right dual channels (stereo)
Adapter power supply: DC5-24V/1A or more
size:67 x 68 x 21mm
Package Contents:
1 x Bluetooth tone pre-module