Brand - Microlab, Model - Microlab MOGUL, Type - Regular Headphone, Connectivity - Bluetooth, Frequency Response (Hz - kHz) - 20Hz-20KHz, Sensitivity (dB) - 100 +-3dB, Impedance (ohm) - 64ohm, Microphone - Yes, Bluetooth Range - 10 Meters, Bluetooth Version - Bluetooth 4.1 +EDR, Plug Type - Up to 21 Hours, Color - Brown, Feature - Share Me: Support two Moguls connecting to each other and share same music from the device.  Bluetooth Streaming: Stream music or make calls from your Bluetooth enabled devices.  Voice Control: Voice enabled via your Siri enabled devices.   Multipoint Connect: Support connecting with 2 phone devices.  Hands-Free Calls: Built-in microphone for hands-free calls.  Inputs: 3.5mm audio line-in function., Others - Bluetooth Chip Set: CSR8670, Bluetooth Profiles: HSP, HFP, A2DP, AVRCP, APTX, Sound pressure level: 100 +- 3 dB, Specialty - Support connecting to two Bluetooth devices, Bluetooth Streaming, aptX technology provides premium sound experience, Built-in microphone for hands-free calls, Voice control with Siri-enabled devices, 3.5mm audio line-in function, Warranty - 1 Year