• Product Overview: The OPPO Enco M33 is an advanced wireless neckband earphone engineered to deliver superior active noise cancellation and rich acoustic fidelity. Featuring flagship-grade 45dB Active Noise Cancellation (ANC), it effectively filters out intrusive ambient noise across wide frequency ranges for an undisturbed audio environment. Outfitted with large 12.4mm dynamic drivers with titanium-plated diaphragms, it produces deep bass resonance, balanced mids, and clear trebles. Powered by an efficient battery delivering up to 28 hours of continuous playback (ANC off), a quick 10-minute flash charge provides up to 20 hours of listening time. With AI call noise reduction, magnetic quick-switch auto-pairing, dual-device connection, and IP55 dust and water resistance, the Enco M33 is ideal for workouts, travel, and daily commuting. • Key Highlight 1: 45dB Active Noise Cancellation - Deep hybrid ANC technology reduces background environmental noise by up to 45dB for pure audio clarity. • Key Highlight 2: 12.4mm Titanium-Plated Drivers - Extra-large dynamic driver units deliver dynamic bass depth and detailed vocal balance. • Key Highlight 3: 28-Hour Battery & Fast Charging - Up to 28 hours total battery endurance with 10-minute flash charging yielding 20 hours of playback. • Key Highlight 4: AI Call Noise Reduction & IP55 Rated - Multi-microphone AI noise cancellation ensures clear voice calls alongside IP55 splash and dust resistance.