We provide 100% satisfaction guarantee. Product is covered with 30 day warranty.Designed with your lifestyle in mind, the Awei A845BL Wireless Headphone is durable, sturdy, and packed with great sound for your entertainment, leisure, sports, and other activities. Set yourself free from wires and cords with the latest Bluetooth Version 4.1 and CVC Noise Cancellation 6.0 technology. Pair in a few seconds with your smartphone, tablet, or music player, and let your favorite music and podcasts drive you forward. With a wireless audio range of 10 meters ( about 33 feet ), you can roam around the house with uncompromising sound quality. With 4.5 hours of music playing time and sweat-proof design, you can take it for a long work out, knowing the headset will remain stable as you sweat it out. Features and benefits of AWEI Bluetooth Headphones: Premium sound with rich bass and crystal clear treble Delivers up to 8 Hours of Music Play, 10 Hours of Talk Comfortable, Secure Fit with Ergonomic design Sweatproof and premium made with soft smooth silicone gel surface In Ear, Noise Reduction with CVC 6.0 Latest 4.1 Bluetooth Technology Universal Compatibility with Smartphones, Tablets, Laptops & etc.. Built-in Microphone for Hands-free talk Package Includes: AWEI Bluetooth Headphones Extra Ear Tips Micro USB Charging Cable Carry PouchUser ManualWarnings:Please do not expose the headphones under direct sunlight while charging, especially when environment temperature is high.Please avoid water damage. If it happens, do not use any more.Please read manual to be aware of any additional features or warnings