Tronsmart Soundfii R4 Wireless Earbuds - Bluetooth 5.3, Quad-Mic Noise Cancelling, 28 Hours Battery Life

The Tronsmart Sounfii R4 earbuds combine performance and comfort with the latest Bluetooth 5.3 technology. Designed to deliver superior audio quality and a stable connection, these wireless earbuds are ideal for calls, sports, and gaming. Their ergonomic design ensures long-lasting comfort, while their IPX4 certification ensures water resistance, perfect for intensive workouts. Enjoy up to 28 hours of listening time with the charging case and advanced noise reduction with quad-microphone technology.

Details

• Brand : Tronsmart
• Model : Sounfii R4
• Origin : Mainland China
• Type : Wireless headphones
• Style : In-ear
• Material : Metal
• Color : Beige, Black
• Certifications : CE, FCC, RoHS
• Protection rating : IPX4 (water resistant)
• Bluetooth technology : 5.3
• Audio codec : SBC
• Driver : 12mm composite diaphragm
• Impedance : 32 Ω
• Sensitivity : 5
• Frequency range : 2402 - 2480 MHz
• Connector Type : Type C
• Weight : 120g (gross), 45g (net)

Specifications

• Headphone battery life : Up to 7 hours
• Battery life with charging case : Up to 28 hours (at 50% volume)
• Earphone battery capacity : 3.7V / 35 mAh
• Charging case battery capacity : 3.7V / 400mAh
• Wireless transmission distance : Up to 10 meters
• Number of drivers : 2
• Microphone Type : Quad-microphone with noise reduction
• Volume control : No
• Music Control : Yes
• Active noise reduction : No
• Built-in voice assistant : No
• NFC technology : No

Package Contents

• 1 x Sounfii R4 Earphones
• 1 x Charging Cable
• 1 x Warranty Card
• 1 x User Manual
• 2 x Pairs of extra eartips

Features

• Water resistance : IPX4
• Touch Control : Yes
• Easy Pairing : Yes, with Bluetooth 5.3
• Ergonomic Design : Long-lasting comfort with compact design
• Balanced Sound Quality : 12mm composite driver for rich, powerful sound