JBL TWS4 Earbuds Bluetooth earphones with the most advanced 5.0 chip. Faster and more stable, Using advanced audio processing technology, developed by a professional engineering, the sound quality is clearer and more natural, the built-in MIC offers you better listening experience. Detailed and balanced with Hi-Fi clarity and dynamic response. Fashion and top-grade metal appearance of Earbuds make you the coolest in running, jogging, yoga, and high-intensity activities. 3D Stereo sound, wireless Earbuds make you enjoy the sound without the cables contrast to the traditional headphones, it delivers an incomparable listening experience in complete freedom. Connectivity: Bluetooth v5.0, Transmission range: Up to 10M from the paired device, Music time: Up to 8 hours, Talk time: Up to 6 hours, Standby time: 20 hours, Charging time: About 1 hour, Battery capacity (earphones): 3.7V 50mAh each, Battery capacity charging case: and Mic: Yes, built-in omni-direct.