Genius HS-930BT (31710196100) Wireless Bluetooth 4.0 Stereo Headset with Built-in Microphone - Adjustable and foldable headband, 40mm Neodymium Driver Unit, 32ohms Impedance, 20Hz approximately 20KHz Frequency Response, 3.5 audio jack enables wired audio input, Built-in 500mAh rechargeable Lithium Ion battery, 10m Range - Black, Retail Box , 1 year Limited Warranty Product Overview: Genius HS-930BT (31710196100) Wireless Bluetooth 4.0 Stereo Headset with Built-in Microphone - the Bluetooth function lets you easy connect the headset to other Bluetooth devices such as iPhones, smart phones or tablet PC's. If your device doesn't have Bluetooth, you can connect the headset by using the integrated 3.5 mm audio jack. Highlights: - Bluetooth 4.0 - Profile Supported: HSP1.2, HFP1.6, A2DP1.2 and AVRCP1.4. - adjustable and foldable headband - Built-in rechargeable Lithium Ion battery - Built-in Microphone - Answer/Hang up, Play/Pause, Volume+/-, Forward/Backward - 3.5 audio jack enables wired audio input - micro USB charging interface Specifications: Headphone - Driver unit dimensions: 40mm - Frequency response: 20Hz approximately 20KHz - Impedance: 32 ohm +/- 15% - Signal-to-Noise Ratio: >=86dB Microphone - Sensitivity: -42 +/- 3 dB - Directivity: Omni-direction - Frequency response: 100Hz approximately 18KHz - Up to 15 hours continuous usage - Charging time: 3

- Lithium ion accu - Bluetooth 4.0 + EDR / A2DP - Bluetooth profile: HSP1.2, HFP1.6, A2DP1.2 und AVRCP1.4 - Wireless range: 30 meters