Product Description of S6X Smart Wireless Bluetooth EarphoneAdvanced Bluetooth V4.2 technology, up to 10m transmission distance, stable signal and no interference.Easy and fast pairing with your Bluetooth devices, automatically pairing next time.Filter surrounding noise and reduce background noise intelligently, enable much more clear music and mic sound.Intelligent voice prompts, know the status of your headphones in time.Ergonomic design fit your ear comfortably and avoid dropping.Compatibility: Android devices