⭐️ Product Description Single-Ear Bluetooth Headset Hands-free calling, compatible with both left and right ears Noise canceling Built-in microphone, mute function, connects to 2 devices simultaneously For driving, delivery, online meetings, telework ⭐️ Long Operation Time & Easy Charging The Bluetooth headset has a built-in 70mAh battery and can be used for about 8 hours of calls on a full charge (about 2 hours). Comes with a 500mAh charging case, convenient for charging and storing the headset. ⭐️ Hands-free & Microphone Mute Compatible with both left and right ears, comfortable to wear on either side, and enjoy calls and music playback. One-click microphone mute, useful for driving, delivery, etc., and protects privacy. ⭐️ CVC8.0 & Noise Reduction The single-ear Bluetooth headset has a noise-canceling function, reducing surrounding noise and significantly improving delays, sound skipping, and sound interruptions, supporting clear music and calls. ⭐️ Only 8.2g & Comfortable to Wear The single-ear Bluetooth headset weighs 8.2g, putting little burden on the ears, and doesn't hurt even after long use. Comes with 3 sizes of replacement ear tips, using soft silicone, gentle on the ears. ⭐️ Wide Compatibility & Connects to 2 Devices Simultaneously The Bluetooth headset is compatible with smartphones, PCs, tablets, iOS, Android, Windows, etc. Can connect to two devices simultaneously, switching freely between calls and music.