| Model | FF1 | FF3 | FF5 | 
		
			| Type | 1 dynamic driver | 1 dynamic driver | 1 dynamic driver | 
		
			| Balanced Armature | N/A | N/A | N/A | 
		
			| Dynamic Driver | 14.2mm PU+Beryllium-plated diaphragm | 14.2mm PU+Beryllium-plated diaphragm | 14.2mm PU+carbon-based diaphragm | 
		
			| Frequency Response | 20Hz~20kHz | 20Hz~20kHz | 20Hz~20kHz | 
		
			| Sensitivity | 106dB/mW(@1kHz) | 105dB/mW (@1kHz) | 106dB/mW(@1kHz) | 
		
			| Impedance | 45Ω (@1kHz) | 45Ω (@1kHz) | 45Ω (@1kHz) | 
		
			| Plug | 3.5mm | Interchangeable plug 3.5/4.4mm | Interchangeable plug 3.5/4.4mm | 
		
			| Cord Length | 1.2 m | 1.2 m | 1.2 m | 
		
			| Weight (per earbud) | About 3.2g (without cable) | About 31g (with cable) | About 3.4g (without cable) | 
		
			| Color | Black/Silver | Black/Silver | Black | 
		
			| Detachable Cable Design | Y | N/A | Y |