Features: Brand new and high quality Portable and convenient to use. Q9 provides the solution of the outdoor singing or speech, no matter there is a party, picnic or other outdoor activities, Q9 Bluetooth microphone makes it so easy to increase the voice volume and the karaoke effect makes the singing and speech much more impressed and enjoyable, this is a must-have tool during the outdoor entertainments. Five Improvements Of The Q9 Microphone: More professional tone tuning table New voice volume adjusting machine Support mobile USB Disk Brand-new design of appearance High quality dual horns bring awesome effect Type: Bluetooth Wireless Material: Aviation aluminum Color: Golden/ Black/ Rose Golden Connection: 3.5mm Bluetooth: Available Output Power: 5w x 2( two horns both side) Frequency Range: 30Hz- 20KHz Battery: 2600mah Lith Battery 47.2V Charging voltage: DC 5V/0.8A Charging time: 3~4 hours Working time: about 12 hours Microphone Size:24 x 8 x 6cm Package Size: 30 x 12 x 7.5cm Net Weight: 450g