- Full wireless headset for comfortable telephony at work, in the car or on the move ,- Bluetooth at its best: maximum freedom of movement as both earphones are not connected by cable ,- Outstanding sound quality without any annoying wires ,- Integrated microphone for wireless telephony ,- Especially small and lightweight earphones ,- Secure and comfortable grip in the ear thanks to in-ear design ,- Easy use of the headset through voice information and different LED colours ,- Smartphone function can be controlled via multi-function button (e.g. accept / make / reject calls / last number redial) ,- Music control functions (play/pause) ,- With charging station: this means that the headset can be charged up to 3x while on the move ,- Music time: 3 h with a fully charged headset, 9 h with mobile docking station ,- Talk time: 4 h with a fully charged headset, 12 h with mobile docking station - Connection: Bluetooth ,- A2DP: Yes ,- Call Answer Button: Yes ,- Compatible bluetooth profiles: A2DP/AVRCP/HFP/HSP ,- Design: In-Ear ,- Directivity (Microphone): Omnidirectional ,- Integrated Vibration Alarm: No ,- Max. Standby: 240 h ,- Max. Talk Time: 12 h ,- Microphone Position: Integrated Microphone ,- Model: Stereo ,- QuickPair Function: Yes ,- Sensitivity (Headphone): 97 dB +/- 3 dB ,- Sonita Stable phase technology (SPT) : No ,- Volume Control: No ,- Weight: 10 g ,- Charging Time in Hours: 3 h ,- Bluetooth Class: Class 2 ,- Bluetooth Version: 4.2 ,- Duplex: Yes ,- Frequency Range (Microphone): 100 Hz - 10 kHz ,- Impedance (Headphone): 16 Ω ,- MultiPoint-Technology: Yes ,- NFC: No ,- Transmission distance: 10 m ,- Colour: Black ,- Productline: Bluetooth Line ,- For Mobile Phone Brand: Universally Usable 2 years legal warranty only