Lenovo EA420 Open-Ear Clip Earbuds - Technical Specifications ‌‌ ‌ Category ‌ ‌ Detail ‌ ‌ Wearing Design ‌ Open-ear clip structure, medi-cal-grade silicone, adjustable titanium alloy hoo-ks (4.6g/ear) ‌ Bluetooth ‌ Version 5.4, 10m stable range, ultra-low latency mode (gaming/video optimized) ‌ Driver Unit ‌ 13mm triple-magnetic dynamic driver • 720° spatial audio • Dynamic Frequency Compensation ‌ Noise Control ‌ Dual-mic DNN call noise cancellation • Anti-soundfield leakage technology ‌ Water Resistance ‌ IPX5 rating (sweat/rain resistant) ‌ Battery Life ‌ ‌ Single Use ‌: 5-6 hours • ‌ Total with Case ‌: 24 hours • ‌ Fast Charge ‌: 10min = 1.5hrs ‌ Charging Port ‌ USB-C (cable included) • ‌ Case Charging ‌: Wireless/Qi compatible (optional) ‌ Controls ‌ Touch-sensitive controls (play/pause, volume, calls, voice assistant) ‌ Colors ‌ Black ‌ ‌ Secure Sports Fit ‌: Ergonomic clip design stays firm during running/gym sessions ‌ Environment Aware ‌: Open-ear design maintains situational awareness ‌ Premium Audio ‌: Tri-band HD tuning (deep bass + clear vocals + crisp highs) ‌ All-Day Comfort ‌: Non-intrusive design eliminates ear canal pressure ‌ Call Clarity ‌: ENC technology isolates speech in noisy environments (up to 40dB reduction)