Listen and speak more freely. "Mimisp", an earphone that doesn't block your ears, equipped with NTT technology. (This is a left and right ear type) ＜Description＞ Manufacturer: NTT Sonority Corporation Product Name: nwm | Num Open-ear Wired Ear Speaker WIRED (3.5mm) Color: Coral Pink ＜Product Information＞ https://nwm.global/products/wired Type: Dynamic Driver Unit: 12 mm diameter Output Sound Pressure Level: 87 dB Frequency Response: 100 Hz 〜 20,000 Hz Maximum Input: 40 mW Impedance: 16 Ω Cord Length: 1.2 m Plug: 3.5 mm 4-pole stereo mini-plug (gold-plated) (CTIA standard) Material: Ear hook: Polypropylene Ear tip: ABS Weight: Main unit: Approximately 7.2 g (both ears, excluding cord) Overall: Approximately 16 g (including cord) Waterproof Performance: Equivalent to IPX4 Microphone: ECM (Omnidirectional) ＜Condition＞ Only tried on for a moment. ＜Other＞ ・Instant purchase is possible. With instruction manual, the box is torn and cannot be included.