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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
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Description
VIKEFON BT-21 Bluetooth 5.0 Adapter Bluetooth Audio Transmitter Receiver1. Bluetooth version: V5. 0 2. Support protocol: RX supports A2DP, AVRCP, TX supports A2DP 3. Working frequency band: 2. 402GHz 2. 480GHz 4. Power level: Level 1 5. Sensitivity: 80dBm is less than 0. 1% BER 6. Signal to noise ratio: greater than or equal to 75dB 7. Distortion: less than or equal to 0. 1% 8. Support dual stream (TX mode supports one transmitter to connect two Bluetooth speakers or headphones at the same time to use one CODEC) 9.
1. Bluetooth version: V5.0
2. Support protocol: RX supports A2DP, AVRCP, TX supports A2DP
3. Working frequency band: 2.402GHz-2.480GHz
4. Power level: Level 1
5. Sensitivity: -80dBm is less than 0.1% BER
6. Signal to noise ratio: greater than or equal to 75dB
7. Distortion: less than or equal to 0.1%
8. Support dual stream (TX mode supports one transmitter to connect two Bluetooth speakers or headphones at the same time to use one CODEC)
9. Support multi-point connection (RX mode supports connection of two mobile phones)
10. Codec mode: TX is apt-X HD, apt-X LL, apt-X, SBC; RX is apt-X HD, apt-X LL, apt-X, SBC
11. Note on using APTX: apt-X HD CODEC is preferentially supported in single connection (the connected device must also support apt-X HD)
12. Built-in battery: 1000mAh
13. Charging current: about 200mA
14. Charging time: about 4.5 hours
15. Life time: RX is greater than 20 hours, TX averages about 15 hours
16. Bluetooth distance: greater than 80m (straight line without obstruction)
17. Charging method: Micro USB 5V/0.5A
18. Input/output connection: SPDIF interface, I2S AUX interface
19. Compatible: Android, IOS system phones, tablets and Bluetooth speakers or headphones that support A2DP protocol
20. Dimensions: 114 x 100 x 20mm
21. Weight: 270g
Specification:
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.9 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 3
Poor Quality
I wouldn't gift these... they seem to start having grinding issues after a few days of use. It feels like the grinding piece is binding / going to break when turning the top. Would not purchase again, and look for more durable item.
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Reviewed in the United States on March 20, 2023
★★★★★ 4
Lacking spices
They look just like pictures but it said they were pre- filled in the description and they arrived empty!
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Reviewed in the United States on March 31, 2026
★★★★★ 5
Good grinders
These are great for the price
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Reviewed in the United States on September 22, 2025
★★★★★ 5
Salt /pepper shakers
Heavy duty and well-made and works great
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Reviewed in the United States on February 25, 2026
★★★★★ 5
I like the glass
I like the glass and it looks great on the counter. Grinds well.
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Reviewed in the United States on April 8, 2026