What is Tai Nghe Siêu Nhỏ Viettel Sumo 4G?
Tai nghe siêu nhỏ Viettel Sumo 4G kết nối ổn định, không bị mất sóng khi gọi điện, micro rời thu âm dễ dàng hơn, pin trâu giúp nghe gọi cả ngày dài.
Problem
Users experience unstable connectivity and short battery life with traditional earphones during calls, leading to unstable connectivity and limited battery life
Solution
A 4G-enabled ultra-compact earphone offering stable calls, detachable microphone for clear audio capture, and extended battery life (e.g., all-day use)
Customers
Journalists, security personnel, and business professionals requiring discreet, reliable communication tools
Unique Features
Compact design with 4G stability, detachable microphone, and long-lasting battery optimized for covert use
User Comments
Praises for portability
Reliable connection in remote areas
Easy microphone handling
Impressive battery performance
Discreet for professional use
Traction
Viettel, a leading Vietnam telecom provider (50M+ subscribers), markets Sumo 4G earphones with undisclosed sales figures
Market Size
Global earphone market projected to reach $30.9 billion by 2027 (CAGR 20.3% since 2020)
