, 100 Hours Incredible Long Playing Time: The internal 1000mAh battery of this wireless earbuds provides up to 100 hours of continuous playtime before requiring another charge! The earphones could remain on for a whole month if you use it for 3 hours a day, which is so convenient for work, study, exercise and travel. , Bluetooth V5.1 with Wide Compatibility: This Bluetooth headphones featured with advanced Bluetooth V5.1 which provide higher transmission speeds and more stable connections, you can enjoy a perfect audio and video synchronization while playing games. In addition, the headsets are compatible with most Bluetooth enabled devices such as iOS, Android and Windows. , Superior Stereo Sound & Clear Calls Microphones: 10mm drivers (20% larger than ordinary earphones) of this in-ear headphone offers high-detail treble with superior clarity, and built-in microphone provide you with clear calls. Our challenge is offering to the end customers a professional sound much more affordable than with the other main brands. , Comfortable Fit & Easy to Use: The neckband Bluetooth headphones have a lightweight silicone neckband and come with three cap sizes to ensure a perfectly comfortable fit. Magnetic ear buds ensure tangle-free convenience while the headphones are not in use. Moreover, a IPX5 waterproof casing could protect your wireless earbuds against sweat rain, water, and more. , Lifetime Warranty & Customer Service: This headphone provides crystal sound for music, clear voice for calls, 100H incredible long playing time, fast and stable connection etc, which eminently suitable for working, studying, travelling, doing sports etc. And we offer 12 months replacement & money back guarantee and lifetime customer service.