Speaker Advance dilengkapi Bluetooth
Bisa play :

micro SD,
flashdisk,
FM Radio,
Aux

Spesifikasi ES040J Portable speaker with bluetooth

Ukuran :163x72x72mm
FM : 87.5MHz-108MHz
Output : 3W+3W
Frekuensi respon 100Hz-18KHz
S/N Rasio : 50dB
Daya supply : DC5V/18650 800maH
Driver unit impedansi ;4