【Powerful Compatibility】This wireless Bluetooth headset built in Bluetooth V4.1, can be compatible with most of smart cellphones and other Bluetooth enabled devices, and also compatible with Bluetooth 3.0/2.1 version; 10m barrier-free signal transmission makes it easy to pair and connect.
【Noise Reduction Technology】 This wireless Bluetooth earphone with noise reduction technology will enjoy high-fidelity stereo when listening to music. Built-in HD microphone lets you experience high quality calls
【Long Battery Life 】It adopts Bluetooth Class I technology and built-in 3.7V / 80 mAH lithium battery. It only takes 50 minutes for fast charging, 40 hours for standby time, 2 hours for music time and 3 hours for talk time.
【Protection Level 】The earbuds are rated IPX Level 4 and can withstand dripping sweat.
【Wearing comfort】 Such as running, jogging, cycling, driving, camping, hiking and other outdoor sports.