Specifications:
Brand: Beiduofen
Model: Q690WS
Berlin Ultimate Sound Quality, surpassing HiFi experience
Upgraded AI simultaneous translation
Multiple EQ sound effects options + customizable adjustments
Positioning and finding earphones feature
32-hour ultra-long battery life
Directional sound transmission technology
High-quality telecommunication with lower energy consumption and longer lifespan
ACS panoramic sound effect
Lightweight and comfortable design for immersive high-quality music listening
Stable and comfortable fit
2-way design for ergonomic engineering
AI drawing feature
09:41 screen display
13mm composite biological diaphragm for high sensitivity, low distortion, and powerful dynamics
Celebrity EQ tuning for excellent sound quality across various music genres
Personalized EQ tuning options
Lightweight and comfortable 6.8g body with ultra-thin curved surface design
Sweat-resistant and non-sticky
New Bluetooth 5.3 for smoother gaming mode
New 5.3 chip supporting low-latency gaming mode for synchronized audio and video response
Q69 Bluetooth earphones for faster and more stable transmission
0.006s response time for gaming advantage
Berlin Super Sensory Sound Effect with SSQVP acoustic technology
AI intelligent earphone sound field calibration for balanced dynamic sound quality
SSQVP Extreme digital sound enhancement
32 total battery life with charging case
Earphone location feature with long-distance Bluetooth positioning and close-range buzzing search
ENC call noise reduction for clear calls in noisy environments
IPX5 waterproof and splash-proof for sports and daily use
Bluetooth version: 5.3
Bluetooth range: ≥10m (unobstructed)
Earphone battery capacity: 50mAh for approximately 8 hours of continuous music playback
Earphone weight: Approximately 7g per side
Charging case weight: Approximately 43.5g
Charging case battery capacity: 300mAh for approximately 3 charges
Charging time: Approximately 2 hours at 5V---1A input
Note: The above specifications are based on tests conducted in our acoustic laboratory and may vary slightly due to actual usage conditions. Please refer to the actual product for accurate information.