Features: 🎧Built with high-performance speakers for extended frequency range, lower distortion, hi performance and noise isolating ear tips eliminate ambient.  🎧Ergonomic and ultra-lightweight in-ear designed with solid sound-insulating material, reduces external noise while minimizing the sound leakage, giving you clear sound.  🎧Premium Design & Hands-Free Microphone - Lightweight, perfectly fit your ears for long-time, ideal for listening during exercise, travel, or everyday wearing, with great sound quality of super bass, bring you a perfect audio enjoyment. Description: High quality sound ear buds with microphone - quality stereo in ear headphones with superb bass sound. Clear high and low volume. Built-in mic with voice notification giving your hands-free voice experience. Made with anti-sweat material to keep these running ear buds fully functional even when dripping with sweat. Our waterproof ear buds will be a great addition to your running accessories. New wireless Bluetooth headset. The special design increase stability with a comfortable, personalized fit for the ears. Product Name Bluetooth Headphones Speaker Diameter 10mm The headset pin USB Chipset BK Bluetooth version 5.0 Working time 4hours Battery capacity 85mAh Impedance 16 ohm Sensitive 110dB±3dB/KHz Output sound source Android IOS/volume Package Include: Hands free. (Black)  Compatible With: IPhone, Samsung LG, Galaxy and Etc.