- BASEUS Model: B51
- Style: In-Ear
- Certification: CE, RoHS
- Vocalism Principle: Dynamic
- Control Button: Yes
- Wireless Type: bluetooth
- Impedance Range: from 33 to 100 Ω
- Model Number: SIMU TWS S1
- Earcups Type: Sealed
- Bluetooth Version: 5.1
- Codecs: AAC,sbc
- Frequency Response Range: 20 - 20000Hz
1.Active noise cancellation mode Built-in active noise cancellation mode can eliminate about 95% of the ambient noise , isolating external interference and creating a quite environment.
2.Ambient sound mode In ambient sound mode , ambient sound can be louder , allowing you to sense the surroundings without taking off earphones.
3.Wireless V5.1 technology The latest Wireless V5.1 technology , plus dual primary earphones provide more stable connection , getting rid of stutter , disconnection and low latency.
4.LDS antenna A large area LDS antenna guarantees wider and stronger signals and Wireless transmission distance is up to 15 meters for stable signals like wired earphones. 5.AAC / SBC high quality decoding Reduce sound loss and restore the original sound.
Dual Mode for Using at Will
The earphones have two modes: deep noise cancellation and ambient sound mode. Just slightly tap your right earphone for three time to change the mode for your needs and allow you only to listen to what you want to hear.
ANC Gives You a break from the Noise
Active noise cancellation | Optimized noise reduction algorithm | Dual-core DSP processing chips
AAC / SBC High Quality Decoding for Nicer Sound than CDs
AAC/SBC high quality decoding | 10mm Neodymium magnet moving coils | Well-balanced triple frequency
Wireless V5.1 for More Stable, Accurate and Faster Connection
Fast connection | No stutter | Low power consumption
LDS Antennas for Stable Connection
Low interference and strong signal penetration | Wide signal range | Without occupying circuit space
Fast Dual Transmission and Interconnection
Dual-channel connection: Ready to use after automatic connection by opening the lid Single-channel connection Non-synchronized connection of left and right earphones, easy to disconnect
Sensitive Touch Control to Replace Phone Operation
Triple tap the right earphone disable ANC-enable ASM-enable ANC Music mode: Double-click the right earphone (R) play/pause Double-click the left earphone (L) activate voice assistant (Siri) Long press the left earphone previous song Long press the right earphone next song Call mode： Double-click left or right earphone answer/ hang up Long press left or right earphone 2 seconds reject a call
Comfortable to Fit the Ear without Dropping
The front and rear cavities of earphones with an 108° elevation angle can balance the pressure inside and outside the ear to avoid stuffiness. Single earphone is as light as 3.5g for wearing without burden. They come with 3 sizes of soft silicone ear tips to perfectly fit different ear canals, hard to drop.
1. Shipping destinations:
We only ship to locations within the United States.
2. Process time
All orders are processed within 2-4 business days. Orders are not shipped or delivered on weekends or holidays.
If we are experiencing a high volume of orders, shipments may be delayed by a few days. Please allow additional days in transit for delivery. If there will be a significant delay in shipment of your order, we will contact you via email or telephone timely.
Standard Tracked Shipping （10-20 business days after shipped)
Fast Tracked Shipping（5-7 business days after shipped)
Shipping time might vary depending on different regions, and shipment method chosen and other factors.
This shipping reference is for major cities, while the shipping time in remote areas will be extended, which depends on local logistics delivery.
4.Shipment confirmation and delivery
You will receive a Shipment Confirmation email containing tracking numbers once your order has shipped. The tracking number will be active within 24 hours.
We hope you love what you've ordered! But just in case you're not 100% satisfied, we've made the return process super easy.
Any notice when I make a return?
1.A max of 30 days is available to make returns. You need to send back and postmark your return packages within 30 days after the delivered date. No returns made after 30 days from the delivered date will be accepted.
2.You can contact us to get new ones if items are worn, damaged, or missing parts. Or it's also available to return them in the original packaging within 30 days after the delivered date.
3.You need pay by yourself cost when a product doesn't quality problem.
4.To complete the return, please email to firstname.lastname@example.org before sending products to our warehouse: 203, Building 17, Yukang Garden, Xuefu Road, Nanshan District, Shenzhen, 518000, CN
Refunds And Returns For Conditions (if applicable):
There are certain situations where only partial refunds are granted:
1.Any item not in its original condition is damaged or missing parts for reasons not due to our error.
2.Any item that is returned more than 30 days after delivery.
Refunds will be processed within 8 business days after we receive your package. The refund will be issued to the original payment account.
Unfortunately, due to current situations, your refund will require an additional 3-5 days to process. Thank you for your patience and understanding.
NOTE: If you have any issues with your return, please contact us to email@example.com.