**Product Specifications:**
**Brand:** B&O
**Global Brand Ambassador:** Zhang Yixing
**Product Name:** Beoplay Eleven Flagship True Wireless Earbuds
**Flagship Features:** Advanced listening experience, upgraded noise cancellation, enhanced call quality, premium packaging
**Design:** PVD glass touchpad, sleek mirror finish
**Noise Cancellation:** Advanced noise-canceling technology, dual pressure relief vents, improved noise isolation
**Call Quality:** Larger microphone inlet, internal mesh for reduced wind noise, fine mesh filter for clear sound transmission
**Battery Life:** Up to 28 hours of total playtime (6 hours on earbuds + 14 hours with charging case), IP57 waterproof rating
**Color Options:** Avant-garde color choices
**New Features:** Metal mesh microphone covers for reduced wind noise, side ventilation holes for improved transparency mode, upgraded PVD glass touchpad, aluminum charging case
**Packaging:** Upgraded packaging for a more elegant look
**Materials:** Aluminum, glass, polymer, silicone
**Dimensions & Weight:**
- Earbuds: 22.5mm x 34.8mm x 22.7mm, 6g
- Charging Case: 66.2mm x 48mm x 22.1mm, 53g (without earbuds)
**Sound Specifications:**
- Driver Type & Size: 9.2mm neodymium driver
- Frequency Range: 20-22,000Hz
- Sound Features: Adaptive active noise cancellation, Bluetooth 5.2, Transparency mode, Bluetooth Codecs (aptX Adaptive, AAC, SBC)
**Battery Life:**
- Up to 6 hours with ANC on (earbuds only)
- Up to 20 hours with ANC on (including charging case)
- Up to 8 hours with ANC off (earbuds only)
- Up to 28 hours with ANC off (including charging case)
**Charging Time:** Approximately 1.5 hours for earbuds and charging case, 20 minutes of charging provides about 1.75 hours of playback
**Other Features:**
- Included Accessories: Wireless charging case with Qi receiver, left and right earbuds, USB-C to USB-C cable (0.5m), COMPLYTM medium silicone ear tips (4 sizes), quick start guide
(Note: Specifications may vary slightly based on individual usage and preferences. Data sourced from laboratory tests.)