Leaf Force Wireless Bluetooth On Ear Headphones boasts of powerful 40mm drivers for HD sound and our Deep Bass technology lets you enjoy your favorite songs with better clarity. A speaker resistance of 32 Ohm & sensitivity range of 109(+/- 2)dB minimizes any distortion of sound quality. You can also take calls and talk with the help of the Hi-Fi microphone attached, which is also why you are guaranteed an unbelievable audio experience.