1. PREMIUM HIFI STEREO SOUND: Advanced Bluetooth 5.0 tech and newest high-resolution CSR Bluetooth chip ensure this wireless running headphones produce incredible sound quality with a dynamic listening experience.

2. firstly, Up to 35 HOURS LONG-LASTING PLAYTIME: Bluetooth earbuds wireless are equipped with an improved lithium battery, 400Mah Capacity, Offer up to 35 hours battery life with a quick charge of only one hour. Build-in magnetic design, you can attach 2 earbuds together when not in use.

3.IPX7 WATERPROOF EARPHONES: In addition built-in water-resistant nano-coating technology efficiently protects sport wireless headphones from sweat and rain, ensures more guaranteed life span, therefore it is perfect for indoor or outdoor activities.

4. IN-LINE MIC AND VOLUME CONTROL: With an in-line microphone and button control, you can adjust the volume, change the track, play and pause the music via the in-ear wireless headphones with a microphone. Without a doubt, no need to worry about missing calls when you are away from the phone.

5. SECURE FIT, COMFORTABLE, LIGHTWEIGHT FOR WEARING: lastly,anti-fall off design for sport. Equip with soft silicone earbuds not only can fit your ears and stay in your ears comfortably and perfectly, but also free your ears from fatigue and tangle. No pain for a long time using. Suitable for gym, biking, and running.