I only tested these in my room for one day, and I am selling them because I personally prefer the multiple JBL earphones I already own and the NuraTrue Pro. Supported Codecs: * SBC * AAC * aptX * aptX Adaptive (24/96, Lossless, Low Latency) * LDAC (330kbps, 660kbps, 990kbps, Adaptive) ・IP54 compliant ・Multi-pairing support ・Wireless charging support ・Dedicated app available ----------------------------------------------- Equipped with two drivers: a MEMS driver and a large dynamic driver. Employs a piezoelectric (piezo) method. Features the Qualcomm SoC "QCC5171" (Qualcomm S5 Sound Platform), supporting the latest audio codecs for low latency and high sound quality. Provides 32kHz voice call quality through the "aptX Voice" Bluetooth codec for voice calls. Supports Qualcomm® Snapdragon Sound™, Qualcomm's new audio platform, which enhances the fundamentals of the audio experience: "sound quality," "connection stability," and "low latency," improving the quality of music playback, voice calls, gaming sound, and more. -----------------------------------------------