Moondrop Ultrasonic In Pursuit of High-Resolution Ultra-Wideband Sound Quality With the improvements in music production technology, high-resolution music has become the mainstream of major music platforms. In order to fully restore the broadband signal, “Ultrasonic" utilizes the LDAC high-definition audio transmission protocol. Equipped with a newly-developed FRA (direct radiation balanced armature driver) tweeter, and a 13mm full-frequency dynamic driver. Software and hardware optimized for high-resolution sound quality. FRA Direct-Radiation Balanced Armature Tweeter Brand-New Lithium-Magnesium Alloy Diaphragm The FRA balanced armature driver uses direct radiation from the diaphragm to handle high-frequency sound waves, thus reducing the standing wave generated by the sound nozzle structure of traditional balanced armature units, and delivering a wider ultra-high-frequency response. Equidistant Transmission Two-Way Crossover Acoustic Structure "Ultrasonic" uses a 13mm full-frequency sapphire-coated dome composite diaphragm dynamic driver to handle the bass/mid-range and enhance sound reproduction in the relevant frequency bands, The sound wave transmission path follows the principle of equidistance and works with the crossover circuit to ensure the corect phase connection and restore the soundstage and timbre. Highly Consistent Full-Band Phase Uitrasonic features 1DD+1BA two-way frequency crossover structure though, the phase connection has been taken highly seriously. The high consistency of fullband is ensured through MOONDROP's excellent acoustic team and measurement laboratory. LDAC High-Definition Lossless Audio Transmission Protocol In order to transmit high-resolution music files, Ultrasonic supports the widely used LDAC high-definition lossless audio transmission protocol, which can transmit 24 bits/96 kHz at bit rates as high as 990kbps, amply meeting the dynamic range and broadband requirements of the hardware. 55ms Low-latency Game Mode Music/Game Mode Switching Ultrasonic allows easy switching of dual connection modes under ordinary Bluetooth (AAC / SBC). In addition to the music mode, users can switch to game mode by tapping the faceplate four times. In game mode, the signal transmission delay is as low as 55ms, providing a more comfortable game experience . Depth Wide-band ANC Single Feedforward with Lossless Sound Quality in order to ensure that the sound quality is not affected when switching noise reduction, Ultrasonic abandons feedback noise cancelation, adopting a single feedforward solution that is more difficult to adjust. After repeated tuning and careful adjustment by skilled acoustic engineers, the combination of a brand-new flagship SOC ship and superior acoustic design achieves a excellentcanceling effect and lossless quality. Ambient Sound Transparency Mode The new improved transparency mode is fine-tuned to focus more on surrounding detais and the reproduction of the human voice. Easy Switching of Five Tunings Using the MOONDROP Link APP, users can select one of five tunings, and can settheir preferred tuning style. “Monitor”Cleaner, and more transparent tuning "Reference”Appropriate softening, regular soundstage, and adapt to more genres. “Club” (Defauit) Enhanced bass, more atmosphere and dynamic tuning “89xx”According to the fitting tuning of a flagship in-ear HiFi earphone. “336xx”According to the fitting tuning of a super flagship in-ear HiFi earphone. In five tunings, users can set their preferred tuning style. Automatic Reconnection Seamless Switching between Monaural-Binaural Ultrasonic supports automatic reconnection and seamless switching between monaural and binaural modes. it will reconnect to the paired device as long as one or both of the earpieces are removed from the charging case. Using mirror image technology, it will remain connected to the paired device even when one or both earpieces are returned to the charging case. Ergonomically Comfortable Shallow Ear Fit Ultrasonic offers a shallow ear fit that is more comfortable than standard in-ear headphones, and can be used by users with small ear canals. Product Information Model MOONDROP Ultrasonic Bluetooth version 5.3 Supported protocols A2DP/AVRCP/HFP/HSP/SBC/AAC/LC3ЛLDAC Charging port Type-C Working distance 10m (barrier-free open environment) Support system Bluetooth devices and mobile phones Earphone charging time about 1 hour Charging time of charging case about 1.5 hours Earphone battery capacity 3.7V37mAh Battery life of earphone about 6 hours Battery capacity of charging case: 3.7V380mAh Battery life of charging case about 18 hours