Xiaomi OpenWear Stereo Pro

Xiaomi OpenWear Stereo Pro [Model: M2503E1] — Hybrid Multi-Driver Open-Ear Wireless Earbuds

Designed for fitness enthusiasts, remote professionals, and everyday multitaskers seeking situational awareness combined with premium acoustics, the Xiaomi OpenWear Stereo Pro features a hybrid multi-driver architecture consisting of a custom 18×13mm dynamic driver, dual balanced armatures, and a piezoelectric ceramic tweeter. Tuned in collaboration with Harman AudioEFX and certified for Hi-Res Audio Wireless with LDAC support, it delivers an open-air listening experience with active sound leakage reduction, 360° head-tracking spatial audio, and built-in offline audio recording. Encased in an ergonomic three-point support structure with flexible memory titanium wire ear hooks, it provides up to 45 hours of total playback.

Key Specifications

• Model Number: M2503E1

• Acoustic Driver Architecture: Hybrid Multi-Driver System — Custom 18×13mm Dynamic Driver (Deep Bass) + Dual Balanced Armatures + Piezoelectric Ceramic Tweeter (Crisp Highs & Detailed Mids)

• Audio Certification & Codecs: Hi-Res Audio Wireless Certified | LDAC, AAC, SBC Audio Codecs | Harman AudioEFX Master Tuning (Customizable via Xiaomi Earbuds App)

• Spatial Audio: 360° Independent Dimensional Spatial Audio with Dynamic Head Tracking

• Active Sound Leakage Reduction: 10mm Reverse-Phase Anti-Leakage Driver & Proprietary Acoustic Deflection Structure (Suppresses sound leakage within close proximity)

• Battery & Playback:

  • Earbuds: 56 mAh (Up to 8.5 Hours Playback on a Single Charge)

  • Charging Case: 700 mAh (Up to 45 Hours Total Playback with Case)

  • Fast Charging: USB Type-C Fast Charging (10-minute charge delivers up to 2 hours of playback)

• Smart & Professional Features: Built-in Independent Audio Recording (Record notes or meetings directly from earbuds, even with case closed) | AI Subtitles & Real-Time Transcription (Supported on select Xiaomi devices) | Google Fast Pair | Dual-Device Smart Connection | Audio Sharing

• Connectivity: Bluetooth 5.4 (BLE / HFP / A2DP / AVRCP, 10-meter wireless range)

• Design & Comfort: Ergonomic Open-Ear Three-Point Support with 0.6mm Memory Titanium Wire Ear Hooks, Skin-Friendly Liquid Silicone Finish, Glasses-Friendly Fit

• Durability: IP54 Dust and Splash Resistance (Earbuds only)

• Dimensions & Weight: Single Earbud: 50.8 × 34.9 × 16.7 mm (9.7g) | Charging Case: 68.0 × 68.0 × 26.3 mm (52.5g) | Total Weight: 72g

• Colors: Space Black, Titan Gray, Sandy Gold (Nanotech Vegan Leather finish)

Product Highlights

• Hybrid Multi-Driver Acoustic System: Integrates a large dynamic driver, dual balanced armatures, and a piezoelectric ceramic tweeter to deliver detailed highs and rich bass in an open-ear design.

• Active Sound Leakage Reduction: Features a 10mm reverse-phase anti-leakage driver that successfully maintains call and music privacy in quiet environments like elevators or offices.

• Ergonomic Open-Ear Comfort: Built with skin-friendly liquid silicone and flexible memory titanium wire, distributing pressure evenly across the ear for glasses-friendly all-day wear.

• Built-in Audio Recording & AI Subtitles: Record meetings or voice memos directly onto the earbuds independently of your phone, and generate real-time transcriptions.

• 45-Hour Marathon Battery Life: High-efficiency power management provides up to 8.5 hours of continuous listening, extending to 45 hours total with the compact charging case.

What's in the Box

• Xiaomi OpenWear Stereo Pro Earbuds (Left & Right)

• Charging Case

• USB Type-C Charging Cable

• User Manual & Warranty Information