Single earphone for tour guide 21mm neodymium magnet driver

THIS PRODUCT IS FOR ONLINE ORDER ONLY. WM-10TGSingle earphone for tour guide 21mm neodymium magnet driverHandy feature broad angle ear set with ergonomic design ensures comfortable wearing. Audiophile quality semi closed dynamic headphone. Powerful neodymium-ferrous rare earth magnet system. Lightweight copper-clad aluminum voice coils. The cord is terminated with a gold-plated 3.5 dummy stereo phone plug. Super thin 21mm dynamic driver with neodymium magnet structure provides crystal clear sound. SPECIFICATIONSDrive UnitSuper thin dynamic driver with neodymium magnetFrequency Response0~15000 HzImpedance32 Sensitivity(at 1000Hz)126 dB/mWMax. Input power0.2WInput ConnectorGold-plated 3.5 dummy stereo phone plugWeight15.2 grams