Gratis
Apoyo
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: [4 in 1 Multifunctional Headphone] Stereo BT + 16G TF Card MP3 player + FM Radio + 3.5mm Wired Headset function. [Wired and Wireless Connection] BT 4.0 + EDR technology ensures strong signal and fast transmission, easy to pair with almost all BT-enabled audio devices to enjoy wireless stereo music; with 3.5mm audio jack, it can connect to a variety of music players (Such as, MP3 / MP4, etc) without BT function. [Noise Cancellation] Noise Cancellation and high-sensitive microphone reduce ambient noise and grasp the detail of voice. You can get high quality hands-free phone conversation even on the street. [Long Duration Time] Built-in rechargeable Lithium battery lasts up to 10 hours of Talking Time, 10 hours of Music Playing Time and 250 hours standby Time in Power Off state per charge cycle. [Ergonomic design] Foldable and adjustable headband length, super soft earmuff, comfortable to wear and easy for storage.
Auricular estéreo plegable inalámbrico BT 3.0 + EDR
Type:Enceinte Extérieure; Caractéristiques:Indoor,Outdoor,Portable,Sans fil; Réponse de fréquence:150hz-18khz; Canaux:2.1 CH; Sensibilité (dB):70; Impédance (Ohm):4; Connecteurs:3.5mm AUX,USB; Autonomie (Heures):4.2~4.5; Puissance Maximale (W):3; Pic de Puissance (W):3.3; Télécommande:Non; Vendu en Tant Que:Simple; Connectique:Avec fil; Version bluetooth:Bluetooth 2.0; Couleur:Bleu; Dimension(cm):16x7x5.4; Poids Net (kg):0.22
SWISSTONE BX 520 TWS blau BT Lautsprecher mit True Wireless Stereo-Funktion Freisprechen Wasserfest IPX6 LED-Ring 2x 12W (450116)
Kurzinfo: Gigabyte Force H3X - Headset - Full-Size - kabelgebunden Gruppe Headsets & Mikrofone Hersteller Gigabyte Hersteller Art. Nr. FORCE H3X Modell Force H3X EAN/UPC 4719331548186 Produktbeschreibung: Gigabyte Force H3X - Headset Produkttyp Headset - kabelgebunden Empfohlene Verwendung Computer Kopfhörer-Formfaktor Full-Size Faltbar Ja Anschlusstechnik Kabelgebunden Soundmodus Stereo Audiospezifikationen Frequenzbereich 20 - 20000 Hz - Empfindlichkeit 118 dB Impedanz 32 Ohm Max. Eingangsleistung 50 mW Mikrofon Mikrofonbaum Betriebsart des Mikrofons Gleichförmig gerichtet Bedienungselement Mikrofon ein/stumm Ausführliche Details Allgemein Produkttyp Headset Breite 18.9 cm Tiefe 7.7 cm Höhe 21 cm Gewicht 310 g Empfohlene Verwendung Computer Kopfhörer Kopfhörer-Formfaktor Ohrumschließend Faltbar Ja Anschlusstechnik Kabelgebunden Verfügbares Mikrofon Ja Soundmodus Stereo Frequenzgang 20 - 20000 Hz Max. Eingangsleistung 50 mW Empfindlichkeit 118 dB Impedanz 32 Ohm Membran 50 mm Lautstärkeregelung