model number V16 ------------- output power 5W ------------ bluetooth standard 5.3 --------------- Battery Capacity 800mah ------------ built-in microphone Yes --------------- feature LED Flashing light --------------- support memory card Yes --------------- frequency range 60Hz-23KHz ------------- private mold Yes --------------- battery charging time 3-5 hours -------------- supported audio codecs MP3 --------------- led lighting RGB ------------ Function Music Player --------------- Product Size 120*120*103MM ------------ Support BT,TF,USB,FM,Phone stand ------------ Single gross weight 0.500 KG