Features:
SAST S-205A Loudspeaker with Microphone Voice Amplifier Booster Megaphone Speaker For Teaching Tour Guide Sales Promotion
1.Boot time is displayed
2.Lithium battery-powered mobile phone
3.Dual voice coil stereo speakers
4.Card reader connected to the computer to do
5.Can read U disk and TF card data
6.Ultra-long recording
7.FM Radio
8.Audio input volume smart regulation
9.Digital reverb
10.Do external speakers
11.MCU intelligent charging management system
12.Charging and data lines generic smartphone