1: The diameter of the drive unit: 40mm
2: Magnet structure: NdFeB magnets
3: Frequency response: 10-25, 000Hz
4: Noise level: High reach 20dB
5: Sensitivity: 118dB
6: Impedance: 32 ohm
7: Battery: AAA7 alkaline batteries
8: Battery Life: Theory of time of about 100 hours
9: Cable: 1.6 m long 3.5mm stereo plug
10: Weight: Approximately 210 grams
11: Accessory: 1.6 m connection cable with 3.5mm stereo audio plug
2: Magnet structure: NdFeB magnets
3: Frequency response: 10-25, 000Hz
4: Noise level: High reach 20dB
5: Sensitivity: 118dB
6: Impedance: 32 ohm
7: Battery: AAA7 alkaline batteries
8: Battery Life: Theory of time of about 100 hours
9: Cable: 1.6 m long 3.5mm stereo plug
10: Weight: Approximately 210 grams
11: Accessory: 1.6 m connection cable with 3.5mm stereo audio plug