BenQ treVolo Wireless Bluetooth Portable Electrostatic Speaker

Frequency Response‎ 60 Hz - 20 kHz‎
Playing Time‎ 12 hours (Depends on user scenario)‎
Bluetooth‎ Bluetooth® 4.1‎
Input Types‎ 3.5 mm stereo input, USB audio‎
aptX Support‎ Yes‎
Key Definition‎ Power Key, Volume Key (+-), Sound Mode Key (end call), Play/Pause(talk), BT Pairing Key‎
LED Indicator‎ Red LED x 1 ; Blue LED x 1; Green LED x 1‎
Battery Life ‎ Built-in rechargeable lithium-ion battery‎
Other features‎ Built-in microphone for speakerphone function‎
IO Port‎ Micro USB x1 ; Line-in x1 ; Line-out x1 , Power Jack x1‎
Input Power Rating‎ DC 12V 2A‎
Temperature range for use‎ 0~40º C‎
Accessories‎ AC/DC Charger, Quick start guide‎
Dimensions‎ 174.6x134.6x78.5mm (Closed)‎
Weight‎ 1.2 kg‎