Bluetooth in-ear headphones that feature creative design for weight balance of the connecting cable and provide more pleasant and conformable using experience during exercise or any vigorous activity. They are incredibly light at just 12.5 g and connected via 570mm long cable with built-in volume control and built-in microphone for hands-free communication. They provide an operating distance of around 20 meters and music playback time of up to 3.5 hours (standby time of up to 160 hours). The headphones also support multi-point connectivity for connection two phones, voice prompt function in 4 languages (English, Spanish, French, Chinese) and battery meter when connected to iPhone. They come supplied with USB charging cable and 6 pairs of silicone ear-tips in 2 shapes (bowl/bullet) and 3 sizes (S, M, L). Dimensions: 43.60 x 11.29 x 7.38 mm. Weight 12.5 g. Blue colour design.