About this item
	
◆ Type: Sealed Dynamic Type (On-Ear) / ◆ Unit: 40 mm Diameter ScrewDriver
	
◆ Frequency Response: 60 Hz - 20 KHz / ◆ Sensitivity: 108 dB / mW / ◆ Impedance: 32 Ω / ◆ List Price Output: 52 mW / ◆ Sound Pressure Level: 108 dB / ◆ S/N Ratio: ≧ 90 dB (± 3 dB)
	
◆ Bluetooth Version: Bluetooth 4.1 / ◆ Corresponding Profile: A2DP1.2 / AVRCP1.4 / HSP1.2 / HFP1.6 / ◆ Corresponding Codecs: SBC / AAC
	
◆ Body Weight: about 143 g
	
◆ Battery Type: 220 mAh Lithium Ion Polymer / ◆ Duration: Up to about 12 Hours / ◆ Charging Time: about 2 Hours / ◆ Charging Port: Micro USB Type B