SONY / STH40DH

These ""dual listening"" earphones allow you to enjoy music and ambient sounds at the same time without blocking your ears. Instead of capturing external sounds through a microphone, you can listen to real sounds from your surroundings while listening to music or making calls.

○ Sony's newly developed sound guide tube that does not block the ears

The sound guide tube delivers sound directly to the eardrum without blocking the ears.
... ○Headphone section
■Type: Open air dynamic type
■Driver unit: 13.6mm
■Magnet: Neodymium
■Playback frequency band: 20-20,000Hz
■Impedance: 32Ω (at 1kHz)
■Cable length: 1.2m
■Cable type: Y-type
■Input plug: 4-pole stereo mini plug
■Weight: Approximately 18.0g

○Microphone section
■Type: In-line microphone
■Type: Electret condenser type
■Directional characteristics: Omnidirectional
■Effective frequency band: 50Hz-10,000Hz

○Accessories
■Ring supporter (S, M, L x2)
■Carrying pouch
■Warranty card
■Instruction manual