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- USA
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Ships within 48 hours · Estimated delivery Jul 12 - Jul 17
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Description
MB2 CSR Wireless Audio Adapter Bluetooth 5.0 Receiver & Transmitter, MB21. Bluetooth version: Bluetooth V5. 0 2. Support protocol: RX (A2DP AVRCP), TX (A2DP) 3. Working frequency band: 2. 402GHz 2. 480GHz 4. Support dual stream (TX mode): support a transmitter to connect two Bluetooth speakers or earphones at the same time to use a CODEC at the same time, can support APTX LL 5. Support multi point connection (RX mode): support to connect two mobile phones 6. Battery capacity: 500mAh 7. Charging current: about 350mA 8.
1. Bluetooth version: Bluetooth V5.0
2. Support protocol: RX (A2DP/AVRCP), TX (A2DP)
3. Working frequency band: 2.402GHz -2.480GHz
4. Support dual stream (TX mode): support a transmitter to connect two Bluetooth speakers or earphones at the same time to use a CODEC at the same time, can support APTX LL
5. Support multi-point connection (RX mode): support to connect two mobile phones
6. Battery capacity: 500mAh
7. Charging current: about 350mA
8. Charging time: about 2.5 hours
9. Bluetooth distance: greater than 80m (unobstructed)
10. Charging method: Micro USB 5V/0.5A
11. Input/output connection mode: RCA interface, I2S AUX interface, support RCA, AUX dual simultaneous output
12. Compatible: Android, IOS system mobile phone and PAD, and Bluetooth speakers or earphones supporting A2DP protocol to connect and use
13. Size: about 11x9x2.5cm
14. Weight: about 70g
Features:
1. Exquisite appearance
2. Using CSR high-end chip design
3. One-key switch between RX and TX modes
4. RCA, I2S audio input/output interface, can be switched freely
5. Two antennas, the Bluetooth operating distance is greater than 80M, and the stability is strong
6. High fidelity lossless sound quality, ultra-low latency sound output, support apt-X LL, apt-X, SBC, AAC, FS
7. When the battery is less than 20%, there will be a low battery reminder. After 6 minutes in the RX, TX mode without connection, it will automatically enter the sleep power saving mode, and it has its own battery protection IC, which is safe and reliable while charging.
8. Support dual-stream (TX mode) transmission and connect two Bluetooth audio devices
9. Receive (RX) can be connected to two devices at the same time, any two of the mobile phone/tablet/notebook device, and the volume and up and down songs can be controlled by the buttons during playback
10. Both receiving mode and transmitting mode can realize automatic return connection, and have memory function for connected products
11. Simple connection, no need to drive and download APP
Packing list:
- Adapter x1
- USB charging cable x1
- 3.5mm audio cable x1
- RCA audio cable x1
- Manual x1
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 489 reviews
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Product Reviews
★★★★★ 5
Exactly what I needed for my bathroom refresh.
Color: B. Rustic Brown - Americana Farmhouse Style, Number Of Shelves: 2, Size: 22.5inches, Color: B. Rustic Brown - Americana Farmhouse Style, Number Of Shelves: 2, Size: 22.5inches
I bought these floating shelves in the color Rustic Brown to replace a bulky storage shelf that was making my bathroom feel cramped, and they completely transformed the space. The wood finish looks much more expensive than I expected, and once installed they gave the bathroom a clean, modern, spa-like feel without taking up visual space.
Installation was straightforward overall. I mounted one screw in the center into a stud and used drywall anchors for the remaining hardware, and the shelves feel very sturdy. They sit flush against the wall and don’t sag or wobble. I especially love how slim they are while still being deep enough to hold everyday bathroom items, decor, candles, skincare, and small baskets.
The color worked perfectly with my bathroom vanity and mirror trim, and the floating design instantly made the room look more organized and intentional. Huge upgrade for a small space.
Definitely recommend if you want functional storage that also looks elevated and minimalist.
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Reviewed in the United States on May 30, 2026
★★★★★ 4
Good Shelves
Color: B. Rustic Brown - Americana Farmhouse Style, Number Of Shelves: 3, Size: 22.5inches
These shelves are really nice quality and look as advertised. The hardware included was great quality, metal drywall anchors and good screws. They were easy to install, and make even/level with each other. My only gripe is the price, but I'm very satisfied with the product overall.
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Reviewed in the United States on April 12, 2026
★★★★★ 5
Attractive, easy to install, nicely equipped hardware package.
Color: B. Rustic Brown - Americana Farmhouse Style, Number Of Shelves: 2, Size: 22.5inches
These are pretty doggone nice shelves and I appreciate the fact that they are not made of solid particle board. Yes they are made of an engineered product, but they are lightweight and strong…and look better than particle board products and more costly than their actual price.
Easy installation system with the bracket…not fussy like some are.
An especially thoughtful touch is the variety of hardware that is included. Also a tiny level for use when installing them. What? …So they can be installed correctly? I was pleasantly surprised by this inclusion.
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Reviewed in the United States on May 29, 2026
★★★★★ 5
Beautiful shelves
Color: B. Rustic Brown - Americana Farmhouse Style, Number Of Shelves: 2, Size: 22.5inches
Great quality shelves, have them in 4 rooms, they are easy to hang up and lightweight, look really nice and keeps room looking organized and clean.
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Perfect for a coffee bar
Color: B. Rustic Brown - Americana Farmhouse Style, Number Of Shelves: 3, Size: 15.7inches, Color: B. Rustic Brown - Americana Farmhouse Style, Number Of Shelves: 3, Size: 15.7inches
These are great for my coffee bar! These shelves are easy to install and came with all the hardware needed. What a great value for your money, especially when you get 3 of these cute shelves. I love how they help organize my coffee bar area and the size fits perfectly.
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Reviewed in the United States on May 26, 2026