About Product Wireless Bluetooth Earbuds (Version 5.4) – Compact in-ear headphones with a 13mm driver unit, clear sound, and fast charging case for everyday listening. ✅ Overview ✔ Bluetooth Version 5.4 (specs) – Ensures stable connection, low latency, and efficient power use.✔ 13mm Moving Coil Unit (specs) – Larger drivers for richer sound and stronger bass response.✔ Wide Frequency Response: 20Hz – 20kHz (specs) – Covers the full audible spectrum for balanced audio.✔ Battery Life (specs) – 5 hours of continuous music playback and up to 100 hours standby.✔ Fast Charging (specs) – Both earbuds and charging case recharge within 1.5 hours.✔ Lightweight Design – Comfortable for long use, suitable for workouts, commuting, or casual listening. ✅ Product Information Category: Wireless Bluetooth Earbuds Bluetooth Version: 5.4 Speaker Size: 13mm moving coil driver Frequency Response: 20Hz – 20kHz Sensitivity: 105dB Impedance: 32Ω Microphone Sensitivity: -38dB Headphone Battery: 25mAh (3.7V) lithium-ion polymer Charging Case Battery: 230mAh (3.7V) lithium-ion polymer Charging Time: ~1.5 hours (earbuds & case) Music Playback: ~5 hours Standby Time: ~100 hours