Tronsmart Sounfii R4
 | Outdated Product Design: in-ear; Connection type: wireless; Bluetooth version: Bluetooth v5.3; Range (m): 10; Frequency range (Hz): 20 – 20000; Speaker size (mm): 12; Operating time (music) (h): 7; Charging port: USB-C; Waterproof: IPX4; |
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in-ear, wireless, true wireless, Bluetooth v5.0, battery: 45 mAh, up to 4 h, with case + 15 h
in-ear, wireless, true wireless, Bluetooth v5.0, voice assistant, waterproof, battery: up to 5 h, with case + 30 h
in-ear, wireless, true wireless, Bluetooth v5.0, AAC, waterproof, 20 – 20000 Hz, 16 Ohm, battery: up to 4 h
in-ear, wireless, true wireless, Bluetooth v5.0, active noise cancellation, waterproof, 32 Ohm, battery: 50 mAh, up to 4.5 h
in-ear, wireless, true wireless, Bluetooth v5.0, 20 – 20000 Hz, battery: 40 mAh, up to 3 h
in-ear, wireless, true wireless, Bluetooth v5.0, waterproof, 20 – 20000 Hz, battery: 50 mAh, up to 6 h
in-ear, wireless, true wireless, Bluetooth v5.4, active noise cancellation, voice assistant, 20 – 20000 Hz, battery: 40 mAh, up to 6 h
in-ear, wireless, true wireless, Bluetooth v5.0, 20 – 20000 Hz, 32 Ohm, battery: 40 mAh, up to 4 h, with case + 14 h
in-ear, wireless, true wireless, Bluetooth v5.0, active noise cancellation, 20 – 20000 Hz, battery: up to 6 h, with case + 24 h
in-ear, wireless, true wireless, Bluetooth v4.2, 20 – 20000 Hz, battery: 85 mAh, up to 5 h
in-ear, wireless, true wireless, Bluetooth v5.3, voice assistant, 20 – 20000 Hz, battery: 30 mAh, up to 4 h, with case + 15 h
in-ear, wireless, true wireless, Bluetooth v5.3, AAC, game mode, waterproof, 20 – 20000 Hz, battery: up to 9 h, with case + 28 h
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Long battery life.
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Tronsmart 2026 - new arrivals, bestsellers, and the most relevant models Tronsmart.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Tronsmart 2026 - new arrivals, bestsellers, and the most relevant models Tronsmart.
Video reviews
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