Energy Sistem Earphones Style 4 True Wireless Earbuds Stone

Energy Sistem Earphones Style 4 are true wireless earbuds built for music lovers and professionals who need reliable in-ear headphones with genuine staying power. Bluetooth 5.1 connectivity keeps you untethered within a 20-metre range, while an embedded accumulator battery delivers an impressive 25 hours of total playtime.

All-Day Battery Life Without the Bulk

• 25-hour total battery life: 5 hours per charge plus 20 additional hours with the included charging case
• Bluetooth 5.1 with 20-metre wireless range for stable, interference-free connection
• Built-in microphone with 42 dB sensitivity and 100–10,000 Hz frequency response for clear call quality
• Waterproof design keeps your earbuds safe during workouts, commutes and everyday wear
• USB charging port on the case for convenient top-ups on the go

Whether you're commuting, exercising, or working from home, these in-ear earphones handle calls and music equally well. The waterproof build makes them reliable companions in any weather, and the extended battery endurance means fewer charging interruptions throughout your day.