- Storage card type: TF card
- Interface: USB 2.0
- Audio format: Mp3
- Screen color: single color
- Frequency response: 150dB
- Language: English
- Battery: external power supply
- Built-in 50W amplifier, can connect two external speakers, can install two cone bars for fixing the caller on the ground
- Built-in 200 songs of Middle East birds, with timing on / off function
- With 3 hot key for one-key switch
- Powered by 12V battery )not included