... computer,laptop or other. Use by USB liner or transformer 2.0 bluetooth speaker TZ-BM2203 Bluetooth vibration ... speaker Use by USB liner or transformer. *SpecificationRMS: 15WX2=30WDrivers: 2.5” Full Range x 2 Distortion: 0 ... VOL+/-, POWER,USB OUT(CHARGER),AUXIN,Play/Pause,MIC *Technical specifications: Bluetooth Version: Bluetooth 2.0 +EDR(Enhanced ...