nwm MBE001 Open-Ear True Wireless Ear Speakers Color: Dark Brown (close to black) Retail Price: ¥15,400 (tax included) I received this as a gift, but I haven't had a chance to use it, so I'm selling it. 【Features】 You can talk to family and pets while wearing the earphones. Because they don't cover your ears, you can hear calls from family members, etc. You can have conversations while wearing the earphones. Perfect for online meetings. Stress-free for long periods. Equipped with PSZ technology to suppress sound leakage, so you can use them without worry in the office or quiet places. Of course, a microphone is included. No pressure on the ears and less stuffiness. Even though they're earphones, They're like speakers. A 12mm diameter driver optimized for open-ear design. The carbon fiber diaphragm, which is responsible for rich tones, delivers clear mid-high frequencies, contoured bass, and a premium sound with a sense of spaciousness. Equipped with NTT's sound leakage suppression PSZ technology Equipped with proprietary PSZ (Personalized Sound Zone) technology. It suppresses "sound leakage," which was a weakness of open-ear earphones, allowing those around you to enjoy them comfortably. nwm Connect App The dedicated app nwm Connect (iOS, Android only) can be downloaded for free. With a simple interface, you can check the product status, adjust equalizer settings, update the main unit software, and confirm button operations. 【Specifications】Main Unit Type: Dynamic Driver Unit: 12 mm diameter Frequency Response: 100 Hz ～ 20,000 Hz Bluetooth® Version: Bluetooth Ver.5.2 Supported Bluetooth Profiles: A2DP, HFP, AVRCP Supported Codecs: SBC, AAC, aptX Microphone: ECM (Omnidirectional) Battery: Li-ion Battery Battery Life※: Up to 6 hours (music playback) Charging Time ※: Approximately 2.5 hours Water Resistance: Equivalent to IPX2 Material (Ear Hook): Polypropylene Material (Ear Cushion): Elastomer Size: 51.6 x 52.4 x 13.2 mm Weight: Approximately 9.5 g (per side)