Features:<br />  Lightweight <br />  Microphone<br />  Wireless<br />  Noise-canceling<br />  Phone control<br /><br />Product Description:<br />Brand: AEC<br />Model: BQ-618 <br />Color: Black｣ｬ White <br />Connectivity: Wireless<br />Application: Aviation｣ｬ Computer｣ｬ DJ｣ｬ Cell phone｣ｬ Portable Media Player <br />Plug Type: AUX-IN <br />Frequency Response: 20-20kHz <br />Impedance: 32  <br />Working Voltage: DC5V｣ｬ 500mA <br />Working Time: 10 hours <br />Talk time: 15 hours <br />Music Time: 20 hours  <br />Bluetooth Version: V4.1 + EDR <br />Bluetooth Distance: W/O obstacles 10m <br />Bluetooth Protocol: A2DP｣ｬ AVRCP｣ｬ HFP <br />Package Dimensions: 19 x 16 x 5 cm / 7.48 x 6.3 x 1.97 inches <br />Package Weight: 0.227 kg<br /><br />What s in the box: <br />1 x AEC BQ-618 Wireless Bluetooth 4.1 + EDR Hi-Fi Stereo Headphones with Mic <br />1 x 3.5mm Audio Cable<br />1 x USB Cable<br />1 x User Manual