The Sandberg Bluetooth Office Headset Pro has a comfortable headband. Connects to your smartphone or other Bluetooth device, freeing your hands to use the keyboard or move around the room. High-quality speakers and microphone for crystal clear two-way communication. An elegant magnetic charging station is supplied for recharging when not in use. Bluetooth 5.0 Supports A2DP, AVRCP, HFP, HSP Range up to 10 m Bluetooth frequency: 2.4 GHz - 2.4835 GHz Talk time: up to approx. 14 hrs Stand-by time: up to 200 hrs Charging input: microUSB DC 5 V Battery capacity: 180 mAh/3.7 V https://elecena.pl/product/18352989/126-06-bluetooth-office-headset-pro 2021-05-05 https://elecena.pl/product/18352989/126-06-bluetooth-office-headset-pro 2022-09-18 https://elecena.pl/product/18352989/126-06-bluetooth-office-headset-pro 2023-02-11 https://elecena.pl/product/18352989/126-06-bluetooth-office-headset-pro 2024-03-07