【BLUETOOTH 5. 0 & HD MIC】Adopt the most advanced Bluetooth 5. 0 technology. CoolWind bluetooth earbuds support ultra-stable connection, faster paring and universal compatibility. Provides in-call stereo sound. You can feel free to chat with your firend anytime.
【Hi-Fi Stereo Sound Quality】I09 bluetooth headphones Offers a Truly Natural and Authentic Sound Performance with Focus on Getting a Clear Midrange and a Balanced Bass and Treble Performance.
【Charge on-the-go】 – True wireless earbuds can last for over 6 hours playtime from a single charge and 140 extra hours in the compact charging case. Charging case even support wireless charging. Committed to providing more flexible and convenient charging methods with no strings attached.
【One step pairing】 – pick up 2 headsets from charging box They will connect each other automatically, then only one step easily enter mobile phone Bluetooth setting to pair the earbuds.
【IPX7 Waterproof & Buy Risk Free 】This IPX7 tested waterproof earbuds keep you safe in the heavy rain or sweat, You can wear it to take shower or using in rainy days, and can even be rinsed clean under the tap. [1 Year ] if you have any problem please contact our customer service to get help.