Leaf Collar 2 Wireless Bluetooth earphones comes with Bluetooth v4.2 technology which ensures perfect stereo sound quality. It comes with balanced left and right stereo channels and super signal supports operation within 10m. Built-in Microphone to play/pause music, accept/reject call and change tracks. It comes with a powerful Lithium ion Battery which provides upto 300 hours of Standby time and 8 hours of music play time and 8 hours of talktime with a charging time of only 2 hours. It’s sports friendly and supports all devices having bluetooth(iOS, Android etc.). So just sit back and #FEELTHEMUSIC.