GEMBIRD Berlin Wireless Headphones

Features: - Bluetooth Stereo Headphones With Built-In Microphone - Advanced Dsp Noise Reduction Technology - Up To 500 Hours Of Standby Time And 15 Hours Of Listening Time - Automatically Mutes Your Music In Case Of Incoming Calls - Multifunction Button, Volume Control And Low Battery Indication - Comfortable Ear Cushions And Adjustable Headband Specifications: - Interface: Bluetooth V.4.1 - Transmitting Power: Max 5 Db - Supported Profiles: Hsp, Hfp, A2dp And Avrcp - Rechargeable 250 Mah Li-Ion Battery - Recharging Time: 2 Hrs - Operation Distance: Up To 10 M In The Open Air - Speaker Diameter: 40 Mm - Speaker Frequency Response: 20 Hz - 20000 Hz - Sensitivity: 93 Db - Impedance: 32 Ohm - Microphone: 360 Degrees Omni-Directional - Power Consumption: 3.7 V Dc, Up To 45 Ma - Dimensions: 170 X 175 X 70 Mm (L X W X D) - Usb Charging Cable Length: 1 M - Net Weight: 130 G System Requirements: - Bluetooth Enabled Mobile Phone, Pda, Laptop Or Pc