The high-sensitivity microphone ensures noise-free calls and voice chats, delivering crystal-clear conversations akin to face-to-face interactions. And more, the built-in chip intelligently filters ambient noise, creating an immersive audio experience for music, voice, and live broadcasts. Upgraded Bluetooth-compatible 5.3 chip enables instant stable transmission and connection, eliminating delays for smooth audio-visual entertainment and gaming experiences. Two-way dynamic speakers offer stable analysis, powerful bass, balanced midrange, and crisp treble, enhancing sound quality for immersive listening pleasure. Ideal for sports, home activities, music enthusiasts, gamers, runners, cyclists, walkers, and fitness enthusiasts seeking premium audio experiences on the go. Item Name: Wireless Earphone Material: PC, ABS Bluetooth-compatible Version: 5.3 Headphone Battery Capacity: 30mAh Charging Case Battery Capacity: 250mAh Operating Distance: 10-15m Support: AAC/SBC Audio Decoding Features: Lightweight, Practical, Clear Sound Size Details: L: 5.7cm/2.24", W: 4.1cm/1.61", H: 1.9cm/0.75" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 Pair of Wireless Earphone 1 x Charging Case