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[PREMIUM BLUETOOTH CODECS] Supports LDAC, aptX Adaptive/HD, and AAC for high-resolution wireless audio with minimal audio lag for music, movies, and streaming.
[EFFORTLESS CONNECTIVITY] 4 supports only one device at a time. To connect a different device, first disconnect Bluetooth on the current one, then pair 4 with the new device. Optimized for smooth video playback and wireless mirroring with consistent sound sync.
[OPTICAL OUTPUT SUPPORT] Connects to car DSPs and home amplifiers via optical out for clear digital audio, supporting up to 24-bit/96kHz output. (Requires Mini Toslink to Toslink cable. )
[ULTRA-LOW NOISE OPERATION] LDO regulator minimizes background noise for distortion-free audio.
[COMPATIBILITY TIP] Best used as a standalone device. Android Auto and AP CarPlay may affect audio quality.