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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
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Description
S51 Bluetooth Earphone Anti-theft Security Alarm, S51Features 1. Integrated anti theft charging, stable current, no damage to internal electronic components 2. Separate off hook settings, easy to take off the earphones freely 3. Stretchable alarm wire 4. Stable base, stylish and simple 5. Type C interface, not easy to loosen Host Parameters 1. Alarm volume: about 90 decibels (lab environment) 2. The alarm duration is 4 minutes 3. Battery capacity: 60MA 4. Standby time: 4 days 5. Sleep time: 30 seconds
Features1. Integrated anti-theft charging, stable current, no damage to internal electronic components
2. Separate off-hook settings, easy to take off the earphones freely
3. Stretchable alarm wire
4. Stable base, stylish and simple
5. Type-C interface, not easy to loosen
Host Parameters
1. Alarm volume: about 90 decibels (lab environment)
2. The alarm duration is 4 minutes
3. Battery capacity: 60MA
4. Standby time: 4 days
5. Sleep time: 30 seconds
6. Input power: 5.5V 1.0A
7. Output power: 5.4V 0.5A Mobile phone access prompt response time: 0.2 seconds
8. Mobile phone access prompt response time: 0.2 seconds
9. Mobile phone offline alarm response time: 0.5 seconds
10. Detection method: charging current detection/active pulse detection
Remote Control Parameters
1. Decoding method: infrared
2. Decoding distance: 20cm
3. Service life: 11,000 times
4. Battery model: CR2025 3V
5. Battery capacity: 150MA
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
4.8 ★★★★★
Based on 1585 reviews
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Product Reviews
★★★★★ 4
The stand isn’t worth it
Love this device, the stand is frustrating. Falls apart easily and is very easy to bump/fall apart. I have not tried the wall option for stand, tho it’s nice that it is a back up option. Overall the mixing device works great- I use it with powders so far.
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Reviewed in the United States on September 5, 2023
★★★★★ 1
Disappointed After on durability
Dsappointed After a Short Time.
At first, this product worked great, and I was really happy with it. However, after just two months, it completely stopped working. Very disappointed in the durability. I expected it to last much longer.
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Reviewed in the United States on February 24, 2025
★★★★★ 5
No battery replacement
The frother is more powerful than my last one, and has an easy recharge usb connection!
I add cocoa powder and cinnamon to my morning coffee along with half n half. Using the frother mixes all the ingredients and puts a nice foamy topping!
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Reviewed in the United States on June 27, 2023
★★★★★ 5
The Best
Love this product! It holds a charge for weeks without losing force. I've purchased several of these type products in the past, but yours one, by far, it's the best. Love it!
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Reviewed in the United States on July 9, 2025
★★★★★ 5
Works well and looks cute
Really nice set. Grind is fine and turn is easy. Highly recommend manual over battery operated ones.
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Reviewed in the United States on April 1, 2026