iLive Bluetooth Wireless Headphones With Microphone (black)

Bluetooth(r) connectivity supports profile a 2dp; built-in microphone; on-ear controls; LED pairing/power indicator; wireless range: 33ft; driver: 40mm frequency; resp: 20hz-20khz; imp: 32 ohm; sensitivity: 106db @ 1khz spl; built-in rechargeable li-ion battery; battery life: 5 hours @ 100% volume; micro-USB port for battery recharge; includes USB cable; warranty & user guide; black.