Neo Air 6 Specifications Condition: New Total Output Power: 18W Pure Output Power (RMS): 9W Speaker Unit: 2.75″ FM Radio Frequency: 87.5 – 108 MHz Power Supply: AC100-240V Bluetooth: Yes Bluetooth Working Distance: Up to 10m USB Drive: Yes Micro SD Card Slot: No FM Radio: Yes AUX Line-In: Yes Optical Cable Input: No 7 Colors Pulsating LED: No Remote Control: No Alarm: Dual Alarm Wireless Charger: Yes Battery Backup: 2 x AAA Dimensions: L115 x W115 x H110 mm Weight: 0.75 kg