[Neckband and Retractable Design] The Bluetooth headset with ergonomic neckband design fits your neck and is comfortable to wear. The unique design of the retractable earbuds allows you to pull the wire to the desired length and retract it when not in use. In addition, the Bluetooth headset with bright yellow silicone design can effectively reduce the collision sound when retracting the earbuds.[Bluetooth 5.0 and Stereo] This Bluetooth headset adopts advanced Bluetooth 5.0 technology to provide faster and more stable signal connection. CVC noise reduction technology and built-in microphone can achieve stereo HD sound and super bass, making calls clear and stable. You will love the wonderful music and clear call sound brought by this headset.[16 hours long-term enjoyment] The neckband Bluetooth headset can provide 18 hours of talk time, 16 hours of music time and 300 hours of standby time per charge (full charge time: 3.5 hours). When you are outdoors, you don't need to worry about the Bluetooth headset running out of power. It is very suitable for exercise, travel, outing, business, sports, office, etc.[Convenient and Hands-free Calling] Using the buttons on the wireless headset, you can skip/play/pause music tracks and all phone usage without picking up your phone. In addition, the neck-hanging Bluetooth headset will vibrate to remind you when there is an incoming call, so you will not miss any calls even if you are in a noisy environment or while exercising. The Bluetooth headset can connect to two devices at the same time.[Portability and What You Get] The Bluetooth headset comes with a carrying case for easy carrying and storage. Package Includes: 1*Bluetooth headset, 1*Micro USB charging cable, 1*carrying case, 6*3 sizes of earplugs, 1*user manual.