Veho VDC001LITE Desktop USB Fan (Discontinued by Manufacturer) Bluetooth wireless V2.1 Supporting the following Bluetooth Profiles (EDR HSP, HFP, A2DP AND AVRCP) Wireless touch control on headphone to control Volume Up/Down and Track Skip FWD/BACK Embedded microphone for hands-free calls from Bluetooth-enabled mobile phones or video calls on your laptop or pc with auto music interrupt Adjustable/Retractable headband with folding mechanism great for travel and storage Internal Lithium Polymer rechargeable battery for 10hrs playtime (Charged via USB)