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Tronsmart Sounfii R4 TWS
Tronsmart Sounfii R4 TWS
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SPECIFICATIONS
Bluetooth Version: 5.3
Brand Name: Tronsmart
Category: Earphones & Headphones
Charging Case: 3.7V/400mAh
Driver: 12mm composite diaphragm
Earbuds: 3.7V/35mAh,7 Hours
Frequency Band: 2402-2480MHz
IP Rating: IPX4
Material: Plastic
Net Weight: 45g
Origin: Mainland China
Power: 5dBm
Style: Tws in-ear headphones
Wireless Type: Bluetooth
With Charging Case: 28 Hours(50% Volume)
• Crystal Clear Call:
Featured with quad-mic call noise cancellation, Sounfii R4 offers exceptional call clarity even in bustling environments.
• Balanced Sound:
12mm composite titanium driver delivery well-balanced sound with deep bass for optimal listening.
• Peerless Design:
Inspired by the mysteries of space, Sounfii R4 boasts a futuristic design crafted to captivate both the eyes and ears.
• Comfortable Fit:
Ergonomic design and customizable ear tips sensor a comfortable and secure fit whether on workouts or long-haul flights.
• Extended Playtime:
Built-in 400mAh batteries up to 28 hours of continuous music vibe, providing uninterrupted joy of favorite tunes on the go.
• Smart Touch Control:
Access all functions effortlessly, activating voice assistants via simple touch.











hat's in the box
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1 x Sounfii R4 ENC Earphones
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2 x Extra Pairs of Eartips
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1 x Charging Cable
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1 x Warranty Card
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1 x User Manual
