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Tronsmart Sounfii R4 12 mm drivers, wireless charging Wireless Earbuds, Black
Available offers (2)
Current
12 mm drivers, wireless charging
Newegg
€12.66
Available to order
Features
- 12mm composite diaphragm driver unit
- Frequency response: 20Hz-20KHz
- THD: =1%
- 28H Battery
- 4 mics; ENC clear call
- Adaptive noise cancelling to ears and environment
- Smart touch control
- Wireless charging supported
General specs
- Brand: Tronsmart
- Model: Sounfii R4
- Seller: Newegg
- ID: 9SIC609KW62023
- THD: =1%
- Brand: Tronsmart
- Model Name: Sounfii R4
- Driver unit: 12mm composite diaphragm
- Part Number: 1096447
- Product Type: Wireless earbuds
- Touch control: Smart touch control
- Product family: Sounfii Series
- Battery statement: 28H Battery
- Wireless Charging: Supported
- Frequency Response: 20Hz-20KHz
- Noise Cancellation: Adaptive noise cancelling to ears and environment
- Microphones and call feature: 4 mics; ENC clear call
- First listed by seller: October 21, 2026
If you are interested in more details, you can find full information on the seller's page.
€12.66
Last price update: 10/21/26
Available to order
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Shipping options
Delivery to 
United States
United States
Available
Black wireless earbuds with 12mm composite diaphragm drivers, adaptive noise cancelling to ears and environment, and ENC clear call with 4 mics. Wireless charging is supported.
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| Brand | Tronsmart | Tronsmart | Tronsmart | Tronsmart | Tronsmart | Tronsmart |
| Model | Sounfii R4 | Sounfii Q20 | SOUNFII Q20S | SOUNFII Q20S | OpenFly Clip 2 | |
| Color |
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| Price | €12.66 | €29.33 | €48.90 | €48.90 | €36.18 | €36.18 |
| Seller | Newegg | Geekbuying | Geekbuying | Geekbuying | Newegg | Newegg |
| Update | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 |
| Model Name | Sounfii R4 | Sounfii Q20 | SOUNFII Q20S | SOUNFII Q20S | OpenFly Clip 2 | |
| Driver unit | 12mm composite diaphragm | 11mm | 11mm | |||
| Part Number | 1096447 | OpenFly Clip 2 | 1297716 | |||
| Product Type | Wireless earbuds | Wireless headphones | Headphones | Headphones | Earbuds | Earbuds |
| Product family | Sounfii Series | OpenFly | OpenFly | |||
| Frequency Response | 20Hz-20KHz | 20Hz-40kHz | 20Hz-40kHz | |||
| Noise Cancellation | Adaptive noise cancelling to ears and environment | Active | Hybrid active noise cancellation | Hybrid active noise cancellation | ||
| Microphone | Built-in | With mic | With mic | |||
| App Control | Tronsmart app | Tronsmart app control | Tronsmart App Control | |||
| Device Pairing | Pairs with 2 devices | Pairs with 2 devices | Pairs with 2 devices | |||
| Playtime | 60 hours | 60 hours playtime | 32H | 32H playtime | ||
Tronsmart Sounfii R4 Black 12mm composite diaphragm driver unit
€12.66
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