Bluetooth Earbud, Mini Invisible Wireless Headphone V5.0 with 6 Hours Playtime, Single Car Headset Built-in Mic with Charging Case for Smartphones About this item 【UPGRADED BLUETOOTH 5.0 TECHNOLOGY & STABLE CONNECTION】 Bluetooth 5.0 the signal is more stable, don't worry about losing your connection again. Fast pairing and stays connect reach to 30 feet away. 【30 HOURS PLAYTIME】 Bluetooth earbud has 5-6 hours playtime and 200 hours standby time. 500mAh charging case fully charge it 4 times. Freely Enjoy music without power shortage. 【CRISP & CLEAR SOUND QUALITY wireless earbud adopts superior dynamic microphone that provides the high quality sound while speaking and makes your voice heard clearly, like being face to face. 【ERGONOMIC COMFORTABLE DESIGN】Unique in ear design, wireless earbud are very small, light and comfortable to wear, fit with most shape of ears. Not easy to fall from ears even when you do high intensity activities, and wear for long hours with no pain.