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Ships within 48 hours · Estimated delivery Jul 24 - Jul 29
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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
4.3 ★★★★★
Based on 14 reviews
Sort
Product Reviews
★★★★★ 5
Durable
Color: S6-muti-color
The balls are great for chewers. The squeaky didn’t last long but they are perfect for the ball launcher.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
★★★★★ 4
The squeeker isn't durable, but the balls themselves are.
Color: S6-muti-color, Color: S6-muti-color
I have two 70+lb, ball obsessed dogs (a field bred Golden Retriever, and an Old Time Scotch Collie), and these balls are living up to the abuse they're receiving.
In the fall we always lose a ball or two in the yard due to getting lost in leaves or longer grass, so I always try and buy a multi pack at the start of the season, so went with these this year. I'm glad I did. Great price for a 6 pack, they fit the medium Chuck-It launcher (a little loosely, but they throw just fine), have great bounce, they FLOAT (which means I didn't lose any at the beach), and they're super durable to the dreaded "mouth squish." The squeaker dies pretty quick, like, within a day, but it isn't the kind that can fall out or choke your dog, so no worries there.
The boys are happy, I'm happy, my wallet is happy - I've already ordered another pack.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 2, 2024
★★★★★ 5
Good balls
Color: S6-glow
My dog is a chewer, and these have held up for close to a year actually a pretty good product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
★★★★★ 3
Disappointed
Color: S6-muti-color
These were great for about 20 minutes then they stopped squeaking...we have 2 left that I have saved but the other 4 do not squeak anymore...disappointed as my dog loves to squeak things...would not buy these again...My dog is only an 8lb dog too...but he can still play with the balls without the squeak...
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Great Value for a ball my dog loves!
Color: S6-muti-color
I wish these ball were in the subscription program! My dog gets sooo excited by the new ball, but her interest in things lasts for a few days. She kills the squeak within 11minutes, but the squeaker stays in place rather than becoming a chocking or swallow hazard, and she still loves to chew it. Next, we must throw the ball approximately 723 times the first day, possibly 496 times on day 2, and just 3- 4 on day 3, at which point she will chase the ball before hollering "it's over here if you need it," while she checks on the chipmunk den. We currently have 17 of these balls in our yard (because we have given several leftovers to a less discriminating doodle next door). These balls hold up really well, get her extremely active for the first couple of days, and are a much cheaper than doggie daycare (after an active morning with a new ball, she is happy to chew on it and sleep much of the day). I always have these on hand!
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Reviewed in the United States on November 22, 2025
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