Customers are impressed with the Sounfii R4 True Wireless In-Ear Earbuds sound quality and long-lasting battery life. Many also find the earbuds to be comfortable. However, some customers have reported connectivity issues and concerns about the case design.
ENC noise reduction can provide a high-resolution call experience, accurately capture your voice, and reduce background noise. Featured with quad-mic call noise cancellation, Sounfii R4 offers exceptional call clarity even in bustling environments.
Bluetooth earbuds are equipped with 12mm composite titanium drivers to deliver deep, rich bass and precise audio clarity, allowing you to enjoy music, movies, and calls with an enhanced overall experience.
Inspired by the mysteries of space, the design of Sounfii R4 combines premium materials with an ergonomic form factor to ensure a comfortable listen for every user.
The noise-canceling Bluetooth headphones adopt an ergonomic semi-in-ear design, which is lightweight and compact, dispersing ear canal pressure while keeping it firm, comfortable to wear for a long time, and will not fall off during exercise. The wireless headphones feature IPX4 waterproof function, sweat-proof, suitable for cycling, running, gaming, travel, exercise, yoga and business.
A quick and convenient charging case allows you to boost your earbud’s battery as and when you need to. Simply charge your case, to deliver 28 hours of high-quality sound on the go.
Access all functions effortlessly, activating voice assistants via simple touch.
Our wireless earbuds have advanced Bluetooth 5.3 technology, faster transmission speed, stronger anti-interference, longer Bluetooth range, stable connection and low latency, allowing you to use it easily at home, in the office and during exercise. After the wireless Bluetooth headphones are connected for the first time, just open the charging box and the earbuds will automatically connect to your phone.