Sennheiser HD 4.40BT Wireless Headphones Black

---PEMAKAIAN PRIBADI TANGAN PERTAMA, SANGAT DIRAWAT--- ---TIDAK TERPAKAI--- Features: Bluetooth 4.0 and aptX technologies to deliver exceptional wireless sound quality Intuitive ear-cup mounted controls for changing tracks and for making calls via the integrated microphone NFC for simple pairing with compatible devices Up to 25 hours battery life and is supplied with connecting cable for battery-free listening Ear coupling closed, circum-aural Dynamic transducer principle Audio Cable Length (Optional/Detachable): 1.4 m audio cable, 3.5mm angled, gold-plated plug Specification: - Impedance 18 - Frequency response (Microphone) 100 - 10,000 Hz - Frequency response 18 - 22,000 Hz - Sound pressure level (SPL) 113dB (Passive: 1kHz/1Vrms) - THD, total harmonic distortion 0 .5% (1kHz/100dB) - Pick-up pattern Dual omnidirectional microphones - Battery Specification Li-ion Polymer Battery Garansi OFF