Retevis RT-9908 Dual-Way-Fenster Intercom-System Bankzähler Interphone Zero-Touch

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Features: [2.4GHz Wireless Control] Use advanced 2.4GHz wireless technology; work area ranges is up to 20 meters in open environment, so so you can freely move around the room and interact with your audience. [Plug and Play] Can use it plug and play, no driver needed. The USB receiver is located inside the USB port of the Presenter. All-in-one design, easy to carry. [Simple Operation] One button one function, it supports page up and down, moving the cursor up and down, hyperlink, switching the window, full screen, black screen, play / pause, volume control and red laser. [Red Laser] Simply press the laser button and a red point that's easy to see against most backgrounds will appear to emphasize the contents you need to highlight on the screen. [Applicable Occasions] The wireless laser pointer can be widely used in school, research institute, training center, exhibition, business meeting, government agencies and many more. Highlights: Wireless connection paring: install wireless receiver onto the computer USB port, press the V+ key and V- key. LED light changes from slow-flashing to continues ON, then leave the buttons to start paring. The LED light will be OFF when paring is complete. If failed, repeat above steps. Built-in 280mAh Lithium Battery: Built-in rechargeable 280mAh lithium battery ensures long time using. Supports automatic standby-mode function for energy-saving and durable use.

Features: * Support 4 ways of audio input: RCA, PC-USB, Coaxial, and Optical. * High-quality aluminum alloy case, exquisite and durable. * Multi-function knob: clockwise rotation can increase the volume, counterclockwise rotation can decrease the volume, and light press can mute the amplifier. * Charging via micro USB port, easy and convenient to use any Android USB charging cable to charge it. * 6.5mm Earphone Jack: Be careful to check your earphone jack and choose the correct jack to connect.

Features: Memory Capacity 2GB/4/8GB Support Audio Format MP3 , WMA , WMV , WAV Data Transfer Connection Type USB 2.0 Compatible Operating Systems Windows Vista/XP Style: Hands free In-Ear,Closed, dynamic,CCAW Drive units Battery & Power Battery Type Built-in Rechargeable Lithium-Ion Battery Work Time 5-8 hours Audio Properties SNR 85db Net Weight 0.13Kg

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