V4.1 Wireless In-ear Headphone Outer Ear Mount Headset Noise Cancelling

Features: 1. Integrated BT chip, offers fast speed, stable connection, allows transmission of 10 m without obstacle. 2. Compatible with mainstream devices with BT function, suitable for multi-platform, multi-system, and major brand mobile phones. 3. Effectively block external noise, and real-time audio calibration can maintain a high-quality listening experience. 4. The in-ear headphones are ergonomically designed to fit each ear perfectly. Perfect for exercise, running, sports and games. 5. Button control, which is more convenient and accurate. You can easily answer/reject phone call, volume up/down. Notice: Actual color may be slightly different from the image due to different display and light effect. Please allow 1-3cm deviation due to manual measurement. Description: Bluetooth-compatible version: 4.1 Built-in battery: 80mAh Charging time: 1-2 hours Effective distance: 10m Applicable time (call/listen to music): 10-12Hours Standby time: 720Hours Product size: 5.7*2.5*5.3cm Product net weight: 13g