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The WK-400 is a simple digital piano designed for Piano classrooms and piano hobbyists. It’s one of the best possible choices you can go in its price range. The WK-400 comes with all the necessary functions and features an average digital piano could have. Alternative tones, Recording, Metronome function, Classical demo songs, dual-keyboard, on-board effects… Keyboard88 keys scaled hammer action keyboardDynamic curvesLight, Standard, Heavy, On/OffKeyboard ModesWhole, Dual(volume balance adjustable), Split(split point adjustable), Twin PianoPedalsSoft Pedal(Left), Damper Pedal(Middle), Sustain Pedal(Right)SOUND GENERATORTones128Keyboard Percussion1 setSongs52Max. Polyphony64×2Key Transposition-12～+12(in semitones)EffectsReverb(On/Off), Chorus(On/Off)METRONOMETempo20～280bpmBeat0～6RECORDING FUNCTIONTrackOneNote StorageApprox. 4,8000 notesOTHERDisplayLED Three Digital Numeric DisplayExteriorBrown wooden PVC finished, upright styleJacksUSB-MIDI Jack, Pedal Jack, Power Jack, Headphone Jack(6.35mm), Line In R/L Jack(RCA), Line Out R/L Jack(RCA)PowerDC 12V, 2A, positive tipWeight39kgDimensions1360(L)x320(W)x770(H)mm

Specifications Keyboard: 61 Keys with touch respons Sounds: 395 Voices Polyphony: 32 voice Rhythms: 150 Accompaniments wit 2 variations each Rhythm control: Start/Stop, sync, Intro/Ending, Fill A, Fill B Songs: 100 songs, 2 demo’s Sequencer: Record/Play, Start/Stop, Pause, Fast Forward/Rewind General Controls: Master volume, Accompaniment volume, Tempo +/-, Voice, Style, Song, O.T.S., M1 – M6, Dual, Touch, Sustain, Metronome, Demo, Piano, Transpose +/-, Octave +/-, Pitch bend Speakers: 2x 5 watt / 4 ohm Registration memory: 6 Memories for storing presets Learning system: Chord Dictionary, Lesson Function Connections: Adapter 12 volts, Headphones, USB, Sustain, Auxillary Out Dimensions: 986mm (w) x 348mm (d) x 142mm (h) Weight: 6Kg (without batteries) Recommended Power: 12 Volt adapter Type 2

LinkAV 2 Watt backpack Cofdm wireless video transmitter with two-way voice Intercom advantage: 1. Working frequency can be adjustable between 300MHz and 900MHz; 2. High quality digital video processing ,H.264 encoding and decoding; 3. COFDM digital modulation technology and H.264 image compression technology. 4. Real-time transmission system, delay time for end-to-end is less than 500ms; 5. Good diffraction ability, can transmit images voice stably in the condition of high speed movement and multi-path interference. 6. Strong (NLOS) Non-light of sight transmission capacity; 7. Customized transmitting power 2~5W; 8. Large Broadband output power (2W),adjustable power, Long distance transmission; 9. Spatial diversity reception ability, support high-speed mobile transmission. 10. Stable signals, image clear and stable, has no mosaic or drag phenomenon. 11. Support two-way voice Intercom cofdm, and comes with PTZ control and data transmission; 12. Small volume, light weight, easy to installation and operation. 13. Low power consumption, excellent heat dissipation, working temperature≤45℃; 14. LinkAV Patent,Integrated design built-in battery and outside core power interface; 15. Power stability, 21 to 35 dBm adjustable dynamic power;

Features: ﾡ￱ 61 keys, standard piano key 5 Octave +1 key. ﾡ￱ Foldable and can be hand-carried and play it anytime and anywhere, also be rolled up for easy storage in you hand bag or carrying case. ﾡ￱ Music toy for both adults and children, especially suitable for children to develop an interest in music. ﾡ￱ Compatible with Cakewalk, Sonar, Cubase, Nuendo, etc, major sequencer software and VST / VSTi. ﾡ￱ You can connect headphone to the jack on piano, enjoy quiet practice, or connect an external speaker, a live concert for your whole family. ﾡ￱ Many functions you can select on the control box: 128 tone, including Cello, Violin, Guitar, Flute, Sax, etc. 100 rhythm options, 40 Demo songs, and max 336 notes music recording. ﾡ￱ Power supply: 4 x 1.5V AA batteries(not included), can last for up to 12-15 hours of playing time, you can also plug the piano into a proper electrical outlet with a DC 6V adapter. ﾡ￱ Makes you feel absolutely the same as real piano. ﾡ￱ Play, record and edit your music easily and freely. ﾡ￱ Size: Main body: 9.6(L) x 22.8(W) x 3.3(H)cm / 3.78 x 8.98 x 1.30 inch, keyboard: 88(L) x 17.4(E) x 0.5(H)cm / 34.65 x 6.85 x 0.20 inch. ﾡ￱ Function key description: 1.PLAY: Play the recorded music 2.REC: Record Key 3.DEMO: Demonstration key 4.TONE+: Tone selection key 5.TONE-: Tong selection key 6.RHY+: Beat selection key 7.RHY-: Beat selection key 8.START / STOP: Start/stop Demo song or Rhythm Key 9.ON / OFF: Power key 10.VOL+ / VOL-: Volume control bottom 11.DC 6V: DC jack connect (6V) 12.HEAD PHONE: Head phone jack 13.OUT EXT SP: Speaker jack Structure: Diatonic Key Number: 61 Package weight: 1.237 kg Package size: 27.80 x 19.50 x 9.00 cm / 10.94 x 7.68 x 3.54 inches Package Contents: 1 x 61 Keys Roll-up Keyboard Piano, 1 x English Manual

LCD Screen Handheld COFDM video surveillance with 4 hours built in battery support advantages: 1. Working frequency can be adjustable between 48MHz and 860Hz; 2. High safety, durable; 3. Integrated Design, built –in battery, with more than 4 hours continuously working time. 4. Stable signals, image clear and stable, has no mosaic or drag phenomenon. 5. With built-in 10.1" 1080P HD LCD Screen ; 6. Small volume, light weight and portable ; 7. COFDM modulation,H.264 decoding; 8. Center marker, screen marker(viewfinder)function; 9. Multicarrier double antenna diversity reception; 10. Support video audio transmitting synchronously. Application: LinkAV -C1000 Handheld Receiver is the small and light device newly developed. It has applied advanced carrier diversity , supports high-speed mobile transmission, non~line of sight (NLOS) transmission. With 10.1 inch HD display screen, the image quality can be up to 1080P. And it has a simple operating system with a perfect image display. External Display Screen (AV Port) can support video output. It is widely applied to security, civil air defense, civil defense, fire control, emergency rescue departments and forest fire prevention, transportation, customs, railways, oil fields, mining, water conservancy, electric power, finance, television stations broadcast relay, and other important departments. Our main products are COFDM, TDD and 4G wireless video transmitter & receiver, which are widely used in city security, police forces, forest fire prevention surveillance, harbor wharf video surveillance, construction sites surveillance, tunnel, oil field, UAV, automobile surveillance, Fire Services, Port Security, Homeland Security, Traffic Management, Police Technical Support Units, Special Forces, Military Command and Control Posts, Airport, Border Control, Major Incident Support etc. if there is any question,please contact Vivian.Yu vivian-yu@outlook.com

2.2 BLUETOOTH WIRELESS MUSIC STREAMING BUILT-IN FM RADIO/AUX.INPUT/USB WIRELESS CONNECTION FOR 2 x SPEAKERS 1500W MAX POWER TRUE WIRELESS STEREO INDEPENDENT TREBLE & BASS CONTROL DIGITAL VOLUME CONTROL LED LIGHT EFFECTS TRANSITIONAL COLOUR CHANGING CONVENIENT CARRY HANDLE CONVENIENT PHONE HOLDER SLOT

Blaupunkt Gigabeat 120 Pro Speaker *i* Bluetooth Wireless Music Streaming Built-in Fm Radio/aux.input/usb Wireless Connection For 2 X Speakers 1500w Max Power True Wireless Stereo Independent Treble & Bass Control Digital Volume Control/led Light Effects Transitional Colour Changing Carry Handle & Phone Holder Slot

Blaupunkt Gigabeat 120 Pro Party System Features include:   Bluetooth, USB, Lightshows and TWS   Wireless Streaming works up to 10 meters   1500W Max Power   Built-in FM Radio   Amazing LED Light Effects   Transitional Colour Changing Light Effects   Inputs / Outputs: Bluetooth, AUX Input Jack For MP3, MP4 And Mobile Phone,   USB MP3 Playback, Convenient Phone Holder Slot   Double The Sound Power   Powerful Deep Bass You Can Actually Feel   Simple & Easy To Use Plug & Play Setup   Digital Volume Control   Convenient Carry Handle   True Wireless   Power Source: 220V AC Input