CYLO GLOW Wireless Bluetooth LED Earbuds NEW -Built in microphone -Bluetooth -HD clarity & noise reduction technology -Easy access volume up and down -Form fitting design -33ft of wireless streaming range - 2 hours rechargeable battery life -Answer calls with built in microphone -Micro USB charge -Charging time is 2 hours -Play time is up to 4 hours -Ear hook with silicone ear tip (only one size is included) -Hi-Fi stereo sound