SONY / STH40D Green

These "dual listening" earphones allow you to enjoy both surrounding sounds and music without blocking your ears. Instead of capturing external sound with a microphone, you can listen to the real sound of the surrounding area while listening to music and speaking on the phone.

Headphones part
■ Model: Open air dynamic type
■ Driver unit: 13.6mm
■ Magnet: Neodymium
■ Playback frequency band: 20-20,000Hz
■ Impedance: 32Ω (at 1kHz)
■ Cord head: 1.2m
■ Code type: Y type
■ Input plug: 4-pole stereo mini plug
■ Weight: about 18.0g

Microphone part
■ Method: In-line microphone
■ Model: Electret condenser type
■ Directivity: Omnidirectional
■ Effective frequency band: 50Hz-10,000Hz

Accessories:
■ Ring supporter (S, M, L x 2)
■ Carrying pouch
■ Warranty card
■ Instruction manual