Nakamichi Elite TWS700ANC Ammolite (75th Anniversary Edition) Retail Price: ¥52,800 Brand new, unopened. I applied for and purchased this through crowdfunding. It seems it's no longer available. I intended to use it myself, but I've lost interest, so I'm putting it up for sale. 【Features】 Equipped with IEM (In-Ear Monitor) grade drivers used in artists' live performances. Employs BA drivers from Knowles, a manufacturer of hearing aids and high-end in-ear headphones. Reproduces mid and high frequencies with fine detail and high resolution. Custom-tuned 10mm DD drivers for this model are used for the low frequencies. Reproduces powerful, ground-shaking bass. The units are in a full metal 100% coaxial configuration. MMCX cable allows for use as wired earphones. Features Adaptive ANC (Active Noise Cancellation) and an "Ambient Mode" to let in external sounds. Bluetooth 5.3 Supports LE AUDIO and Snapdragon Sound Also supports multi-streaming and broadcasting. Equipped with Qualcomm's high-performance chip "QCC3071". Supports hands-free calls. cVc (Clear Voice Capture) noise cancellation + 6 microphones on the earphones allow you to deliver your voice clearly to the other party even in a crowd. 7 hours of continuous operation with the earphones alone. The charging case has a large 1,500mAh battery, enabling up to 120 hours of continuous playback. Supports "Multi-pairing" to register up to 8 devices. Touch sensors on the earphone body. 【Charging Time】Earphones: approx. 2 hours, Charging case: approx. 3.5 hours 【Playback Frequency Range】44.1kHz, 48kHz, 96kHz 【Codecs】AAC, SBC, aptX, CD-Lossless (16-bit 44.1kHz) aptX adaptive 【Impedance】32Ω 【Waterproof Performance】IPX4 (Case is not waterproof) 【Accessories】Earphone body, charging case, ear tips (S/M/L), Type-C USB cable, MMCX cable, storage bag