iLive IAHB56B Wireless Headphones - Black

Bluetooth wirelessSupports profile A2DP (Advanced Audio Distribution Profile)Built-in microphoneMicro-USB port for battery rechargeAux in (3.5mm audio input)Soft cushioned ear padsAdjustable headbandDriver: 40mmFrequency response: 20Hz - 20kHzNominal impedance: 32ohmsSensitivity: 106dB at 1kHz SPLWireless range: 33 feetOn-ear controls: volume up/down, play/pause/phone answering, pairingOn/off switchLED pairing/power indicatorDC battery power: built-in rechargeable lithium ion batteryBattery life: ~8 hours of audioBattery life: ~9 hours at 50% volume