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Description
1pair Heavy-Duty IP67 Waterproof Dual PTT Outdoor Shock-Resistant Walkie Talkies, RETEVIS RB48 FRS, RETEVIS RB648 PMR4461. Frequency range: FRS PMR 446 2. Battery capacity: 2000mAh 3. Operating voltage: DC 3. 7V 4. Antenna impedance: 50 ohms 5. Standby time: 48 hours 6. Operating time: 12 hours 7. Operating temperature: 20 to 60 degrees Celsius 8. Charging cradle: input: 5V 1A, output: 5V 480mA 9. Theoretical line of sight communication range: about 10km 10. Urban communication range: about 2. 4km 11. Size: about 18 x 6 x 3. 3cm (with antenna) Receiver section: 1.
1. Frequency range: FRS/PMR 446
2. Battery capacity: 2000mAh
3. Operating voltage: DC 3.7V
4. Antenna impedance: 50 ohms
5. Standby time: 48 hours
6. Operating time: 12 hours
7. Operating temperature: -20 to 60 degrees Celsius
8. Charging cradle: input: 5V/1A, output: 5V/480mA
9. Theoretical line-of-sight communication range: about 10km
10. Urban communication range: about 2.4km
11. Size: about 18 x 6 x 3.3cm (with antenna)
Receiver section:
1. Receiver sensitivity: 0.25 μV / -119 dBm (20 dB SINAD)
2. Adjacent channel selectivity: ≥ 65 dB
3. Modulation reception bandwidth: ≤ 16 kHz
4. Audio output: ≥ 300 mW
5. Intermodulation: ≥ 55 dB
6. Receive current: ≤ 410 mA
7. Audio distortion: ≤ 3%
8. Standby current: ≤ 60 mA
Transmitter section:
1. Transmit power: FRS: High 2W / Low 0.5W, PMR: 0.5W
2. Transmit current: ≤ 1.5A
3. Maximum frequency deviation: +/-5kHz
4. Adjacent channel power: 60dBm at 12.5kHz
5. Modulation distortion: less than 5%
6. Spurious emissions: ≤ 7.5 μW
7. Modulation scheme: 12.5 kHz 11K0F3E
8. Tuning noise: less than -40 dB
9. Modulation sensitivity: 8-12 mV
10. Frequency stability: +/-2.5 ppm
Features:
1. TPE+PC dual-color construction, durable and drop-resistant design
2. IP67 waterproof
3. Backlit LCD display
4. 22 channels (16 European frequencies)
5. 121 sub-tones
6. Busy lock
7. Headset jack
8. 10 selectable call tones
9. Call end tone
10. Compression/expansion function
11. Battery level indicator
12. Scan function
13. Keypad lock
14. Voice announcement
15. Power-saving mode
16. Low battery alert
17. Key tone on/off
18. TOT (Time-Out Transmit)
19. Vibration alert for incoming calls
Package list:
1. Walkie-talkies x 2
2. Desktop charger (dual charging cradle) x 1
3. Charging cable x 1
4. Reinforced belt clips x 2
5. Lanyards x 2
6. User manual x 1
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
4.7 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
Most comfortable shoes, right out of the box!
Size: 8.5, Color: Cognac Napa Leather
Oh my! So, my ordering of shoes online has been hit or miss - 1/2 size too big or too small; too wide or not wide enough. Enter these Marc Joseph shoes… such a game changer. They fit like a glove, exceptionally comfortable, and easy to slip in and out of. I like them so much that I am shopping for another pair. So far, the size, quality, fit, feel, look, and comfort make this pair my dedicated first pick. Btw, I have been wearing them for six hours and they are still very comfortable! I highly recommend these shoes.
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Reviewed in the United States on September 28, 2025
★★★★★ 5
Me gustaron
Size: 9.5 Wide, Color: Black
Llego exactamente la talla que pedí, son como se ven en la foto!
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Reviewed in the United States on June 3, 2026
★★★★★ 5
Comfortable dress shoe.
Size: 7, Color: Brown Napa Leather
Finally a comfortable dress shoe. It's both comfortable to walk in and looks and wears like a more traditional dress shoes for the office.
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Sleek, upscale and supremely comfortable
Size: 9, Color: Cognac
I did not know that Marc Joseph makes hands free slip ins. I own four pair of Skechers, and I thought they were the only game in town. I decided that I wanted a pair of business casual pair of wingtips. I already own two pair of Skechers Mark Nason wingtips in blue and black nubuck, so I bought a pair of their cognac colored. Perfectly fine shoes, but when they arrived, I didn't like the color, so the search was on! I found these cognac-colored Mark Joseph's and hands down, they fit the bill for what I was looking for!
I actually bought two more pair of Skechers in the brown family in the same oxford, elastic lace style: One pair of another style of their Mark Nason line and one pair of their Garza line. So now I am comparing three pair of Skechers to the Marc Joseph's. Obsessive, I know :). Luckily, I have a Skechers store near me for easy returns.
The look I was going for is a sleek, business casual that I could dress up or down. Three things that I love about the Marc Joseph's are the beautiful cognac finish: the white yet lower profile soles and the more formal, narrower toe style.
The MJ's nailed it with the color. They have a slightly darker, more lustrous and glossier look than the others. The color alone looks classier and pairs well with black pants which I wear for work almost every day.
The white soles are exactly what I was looking for. The visible rise is probably about a third of the thickness of the others and are a much more subtle, classier look. They offset the cognac color nicely but are not that in your face, sneaker looking, thick white sole.
When I was comparing them to the others right out of the box, I thought they would be too narrow and tight because they looked sleeker and narrower than the others. But they fit perfectly and were very comfortable right out of the box. Upon closer inspection and comparison, I realized the narrower, sleeker look is because the eyelets for the elastic shoelaces are closer together that give the illusion that the shoe is narrower. They compensate for what might create a tighter fit across the top of your foot with two stretchy "gores" they are called on either side of the upper part. The "slits" are nicely finished, and you can't see the stretchy part and add a nice design touch to the shoe. But between them and the elastic shoelaces, they must stretch just enough to make them extremely comfortable across the top. So, if you have a high instep/arch, they should accommodate it nicely.
Last but not least, they are very comfortable shoes. I wear a size 8 1/2 to 9 and my foot is slightly on the wide side. I bought the size 9's and they fit perfectly. If you are between sizes or have wider feet, you may want to size up a half size. Because the Skechers have much thicker soles, they might be slightly more cushioned, but the MJ's are cushioned more than enough for my purposes and very comfortable. Plus, they actually just feel better on my feet. I can't speak to how durable they will be as I just got them, but so far, so good.
So, there you have it. I rely on other people's reviews a lot when buying online, and especially for shoes. I know it's always a crap shoot, particularly when buying shoes online, so I hope this review helps. Everybody's feet are different, but I highly recommend these.
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Reviewed in the United States on March 15, 2025
★★★★★ 5
Comfortable and look great!
Size: 10.5, Color: Cognac
Very comfortable, look nice, and slip on easily.
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Reviewed in the United States on June 4, 2026