Description: Introducing our newly upgraded Bluetooth-compatible earphones, designed for the ultimate listening experience. With a quick link device that offers barrier-free connectivity up to 10-15 meters, you can enjoy seamless multi-protocol link HFP/A2DP/HSP/AVRCP functionality. The maximum depth of -38dB ensures mixed HIFI sound quality, while the selected microphone and professionally designed acoustic cavity deliver exceptional clarity and precision. The compatibility with 5.4 chip provides enhanced anti-interference ability, longer distance connection, and faster transmission speed. The comfortable and soft ear cups ensure a natural fit for all-day comfort, while the one-touch control feature allows for accurate command recognition and control. Upgrade your listening experience with our high-quality Bluetooth-compatible earphones today Item Name: Earphone Material: ABS Bluetooth-compatible: V5.4 Call Time: 6 Hours Charging Time: about 1 Hour Wireless Support Protocols: HFP/A2DP/HSP/AVRCP Headphone Battery Capacity: 40 MAh Music Time: 6 Hours Standby Time: about 600 Hours Communication Distance/accessibility: 10-15 Meters Features: HiFi Sound, Stable Connection, Long Battery Life Size Details: L: 4.5cm/1.77", W: 1.66cm/0.65" (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 x Earphone 1 x USB Cable 1 x User Manual Enhanced Bluetooth-compatible 5.4 chip for longer distance connection and stable, fast transmission. HiFi sound quality with maximum depth of -38dB and professionally designed acoustic cavity. Comfortable and soft ear cups for all-day listening comfort. One-touch control with sensitive and accurate command recognition. Multi-protocol link for barrier-free 10-15 meter connectivity and selected microphone for clear communication.