Description Features: Bluetooth 5.0 Technology: These earphones feature Bluetooth 5.0 technology, allowing you to enjoy incredible sound quality, deep bass and crystal clear treble. Just power on both earbuds and they will automatically pair with your phone, providing a stable connection. Designed for comfort and hands-free: The wireless earphones are ultra-light and comfortable to wear. True wireless earphones, listen to music wirelessly, call hands-free, and get rid of the wire harness. Quick Charge Box: Ultra-light portable Bluetooth headset charging box, large capacity lithium battery. The left and right earphones are equipped with a 50mAH special rechargeable lithium battery, allowing you to enjoy up to 2-3 hours of music and up to 2 hours of talk time. Signal strength: Built-in microphone, ideal for hands-free calls, listening to music, watching news, etc., can seamlessly connect all Bluetooth devices up to 10 meters away. 500mah large capacity magnetic induction charging case. Connection method: automatically turn on after taking it out, it is more convenient to connect to Bluetooth devices. Product Specifications: Type: Headphone Model: D019 Bluetooth Version: V5.0 Transmission Distance 10m (33ft) Charging Time 1.5H Headphone Power 40mah Charging Capacity 500mah Talk Time 2H Music Playing Time 2H Standby Time 120H Microphone Type Built-in Earpiece The number of dual-function incoming calls, music play and pause, stereo, voice prompts, LED power display