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- USA
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Ships within 48 hours · Estimated delivery Jul 15 - Jul 20
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Description
Measy AU688-U 20 Channels Wireless Guitar System Rechargeable Musical Instrument Transmitter Receiver, AU688-U Black1. 100 meters transmission distance (330FT) 2. Built in lithium battery, charge once, battery life 5 6 hours 3. Strong anti interference, can penetrate walls 4. Built in damping shaft, 270 degree rotation to adjust orientation 5. Plug and play, lossless sound quality 6. Working channel: Channel 20 7. Receiving sensitivity: 90dBm 8. Frequency response range: 20 20000Hz 9. Frequency range: U frequency 10. Delay time: less than 0. 5ms 11. Sampling rate:
1. 100 meters transmission distance (330FT)2. Built-in lithium battery, charge once, battery life 5-6 hours
3. Strong anti-interference, can penetrate walls
4. Built-in damping shaft, 270 degree rotation to adjust orientation
5. Plug and play, lossless sound quality
6. Working channel: Channel 20
7. Receiving sensitivity: -90dBm
8. Frequency response range: 20-20000Hz
9. Frequency range: U frequency
10. Delay time: less than 0.5ms
11. Sampling rate: 64KHz, 16bit
12. Signal to noise ratio: 95dB
13. Distortion: 0.3%@1KHz
14. Dynamic range: 90dB
15. Size: 11.66x3.66x1.63cm
Specification:
| Package Weight |
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 1641 reviews
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Product Reviews
★★★★★ 5
Good all around!!
Color: Dark Brown band & Rose Gold bezel & White dial
So far this is a very nice watch, light, thin, keeps good time, looks nice, nice band, nice price!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 20, 2026
★★★★★ 5
Good quality
Color: Mesh Strap watch balck blue
Beautiful watch,
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
★★★★★ 5
Handsome watch!
Color: Retro Brown band & Black bezel & Blue dial
My 13 year old grandson wanted an “old fashioned” watch so I gave this one to him. He is obsessed with it and wears it every day.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2026
★★★★★ 1
Don't Waste Your Money
Color: Retro Brown band & Gold bezel & White dial
This watch is a complete disappointment. Right out from the box, I adjusted the time per the instruction manual. After finshing adjusting the watch, I pushed the crown in (two clicks). The second hand started movement after almost 10 seconds. From then on, the second hand was stopping and going by itself. Within less than anhour, the watch was behind almost 25 seconds. It is a piece of junk. I would not advise anyone to buy this watch.
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Reviewed in the United States on February 13, 2026
★★★★★ 4
Rough dial, pretty watch
Color: Mesh Strap watch balck
Great looking watch, the dial is rough on the skin, it should be refined some to not have sharp edges.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 4, 2026
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