Original Lenovo LK40 Over-Ear Bluetooth V5.4 Earphones Open-Type High-Quality Noise-Cancelling Headphones Special Sports Earbuds For Running

Product Specifications • Brand: Lenovo • Model: LK40 • Type: Open Ear-Hook Wireless Headphones • Bluetooth Version: V5.4 • Driver Unit: 13mm Dynamic Driver • Frequency Response: 20Hz–20kHz • Battery Capacity: ◦ Earbuds: 35mAh ◦ Charging Case: 300mAh • Playback Time: ◦ Earbuds: ~5.5 hours ◦ Total with Case: ~20 hours • Charging Time: ~1.5 hours • Charging Port: Type-C • Rated Power: 0.18W (Earbuds), 1.5W (Case) • Connection Distance: ≥10 meters Key Features Open Ear-Hook Comfort Design • Zero-Pressure Wearing: Ergonomic three-point support structure fits securely without ear canal pressure • Skin-Friendly Material: Antibacterial TPU reduces bacteria risk and prevents deformation • Universal Fit: Flexible design adapts to various ear shapes for all-day comfort Immersive Audio Performance • Hi-Fi Full-Range Sound: Balanced high, mid, and low frequencies with wide frequency range • Dolby-Level Spatial Sound: Creates a surround sound experience with clear vocals and powerful beats • Directional Sound Focus: 99% sound leakage reduction for private listening Advanced Connectivity • Bluetooth 5.4 Chip: 2Mbps transmission speed for fast, stable connections • Ultra-Low Latency: Near-imperceptible delay for seamless audio-video sync • Wide Compatibility: Works with smartphones, tablets, laptops (iOS, Android, Windows) Long-Lasting Battery Life • 20-Hour Total Playback: Combines earbuds and charging case for extended use • Fast Charging: Quick power replenishment in 1.5 hours Clear Call Technology • Enhanced Algorithms: Improve mid-high frequency performance for clearer voice transmission • Noise Isolation: Reduces external interference for better call quality Stylish Design • Two-Tone Aesthetics: Professionally blended colors for a unique, versatile look Packaging Contents • Lenovo LK40 Open Ear-Hook Headphones • Charging Case (300mAh) • Type-C Charging Cable • User Manual Touch Control Guide Music Playback • Play/Pause: Double-tap earbud • Track Switching: Triple-tap left/right earbud • Volume Adjustment: Press and hold left/right earbud Call Management • Answer/End Calls: Double-tap earbud • Voice Assistant: Press and hold earbud Q&A Q: How secure is the fit during exercise? A: The three-point support structure and flexible design ensure a stable fit even during intense movement. Q: Is there significant sound leakage at high volumes? A: Directional sound focus technology reduces leakage by up to 99% for private listening. Q: Can these be used for making calls in noisy environments? A: Yes, the enhanced algorithms and noise isolation provide clear call quality outdoors. Q: How is the battery life for continuous use? A: The earbuds provide 5.5 hours per charge, with the case extending total use to 20 hours. Q: Are these compatible with voice assistants? A: Yes, they support voice assistant activation via touch controls. Q: What is the warranty period? A: Refer to the Lenovo warranty policy provided in the user manual. Q: Can I use one earbud at a time? A: Yes, both earbuds support mono mode for flexible single-ear use. Note: Battery life may vary based on volume level and usage conditions.