[Hall Switch & Sweat-Resistant] Equipped with hall switch for quicker pairing. Open the lid of the charging case then the 2 earphones will pair with each other and connect to the last connected device after first connection automatically. IPX5 waterproof earphones, wireless earbuds for iPhone/Android, compatible with iOS/Android/Windows system. [Long Battery Life] Each headphone has up to 7 hours playing time on a single charge for gaming, music or talking time. The charging case can provide about 4 times charging time for the 2 earbuds. Open the lid and there are 4 battery indicators of charging case with a indicator button, press it to show the battery of charging case. [aptX High Quality Sound] The wireless headphones is for aptX, representing original sound and performing wide sound range with 6mm diameter dynamic drivers. The bass earbuds delivers deep bass, clear middle and bright highs. Let you enjoy balanced pure premium sound, bring you good listening experience with this Bluetooth headphones. [Qualcomm CVC8.0 & 4 Mics] Unique CVC8.0 is an advanced call noise reduction technology that can pick up the ambient noise and filter the environmental sound to enhance voice when speaking on the phone, working with 4 microphones, effectively separates voice from the background noise. The noise cancelling earbuds is perfect for clear calls. [QCC3040 & Bluetooth 5.2] The FEANS Q8 wireless earbuds uses the unique Qualcomm QCC3040 chip with wireless Bluetooth 5.2 provides you with seamless connection, high-speed transmission and low-latency listening experience. The Bluetooth earbuds supports HSP/HFP/A2DP/AVRCP, compatible widely with iPhone android and windows system.