Wireless in-ear headphones for music playback with integrated telephone function and Bluetooth. Volume can be adjusted conveniently on the cable. The integrated telephone function allows for call acceptance and includes a microphone for smartphones. There is a remote function for controlling music (pause/play/forward/reverse), if supported by the phone. Silicone ear cushions are available in S, M, and L sizes for a firm and comfortable fit. The special Sportsfix design ensures a secure hold in the ear, making them suitable for sports. The silicone clip additionally secures the in-ear headphones. They also support wireless stereo via audio streaming (A2DP, HFP, HSP, AVRCP). Enjoy up to 4.5 hours of music or phone function and up to 400 hours of standby time. Easily switch between music and phone conversations with passive noise reduction.