Sandberg Blue Storm Bluetooth Headset Microphone 40mm Driver

DescriptionSpecificationType: Over-earConnector(s): USBWireless: YesBattery Life/Range: 10m RangeDriver: 40mmSensitivity: Earphone: 108 dBMic: -52 dBFrequency Response: Earphone: 20 Hz - 20 kHzMic: 30 Hz - 16 kHzImpedance: Earphone: 32 ohmsMic: 2200 ohmsMicrophone: Yes#Hide#LED Lighting: No#Hide#Multi-platform: NoAdditional Features: See OverviewWeight/Dimensions: 400 g(HxWxD): 27 x 18.5 x 6 cmAccessories: 1 Sandberg Bluetooth Stereo Headset Pro 21 USB charge cable1 Quick guidePackage Weight: 0.4200 kgPackage Type: RetailWarranty: 5 Years#Hide#Interface(s): Wireless/Bluetooth%%%% Bluetooth & Charging: Bluetooth 4.1 Supports A2DP, AVRCP, HFP, HSP 10m wireless range Bluetooth frequency range: 2.4 GHz-2.4835 GHz Up to: 10 hours playback / 13 hours talk time / 250 hours standby time Charge time: Approx. 5 hours Charging input: USB DC 5V Battery: Rechargeable 380mAh Li-polymer battery   The Sandberg Blue Storm Wireless Headset connects wirelessly to a Bluetooth device such as a mobile phone or tablet computer. Remote control your Bluetooth device with the track and volume controls on the headset. The built-in battery gives 10 hours of playback. Allows you to make hands-free and wireless calls.     Earphone: Frequency range: 20 Hz – 20 kHz Impedance: 32 ohms Sensitivity: 108 dB Driver unit: 40 mm   Microphone: Frequency range: 30 Hz – 16 kHz Impedance: 2200 ohms Sensitivity: -52 dB Directivity: Omni