On-Ear Business Digital Display Bluetooth Earphone 1. Battery capacity: 150mAh 2. Charging port: Type-C 3. Charging time: about 1-2 hours 4. Usage time: up to 88 hours 5. Bluetooth version: 5.2 6. Communication distance: about 10 meters without obstacles Features: 1. Type-C fast charging interface 2. LED digital display, the power is clear at a glance 3. Intelligent voice control, high-definition voice call 4. Can connect two Bluetooth devices at the same time and switch at any time 5. 180-degree rotatable ear caps, adjust the angle to suit the ear contour 6. High-quality diaphragm speaker unit, balanced adjustment technology and meticulous tuning, clear layers and rich details 7. 45-degree ergonomic in-ear design, comfortable to wear, three-point support, stable fit, creating a closed sound field, so that the speaker power is not damaged at all, bursting out surging dynamic sound 8. Compatible with various Bluetooth devices 9. Dual-core dual decoding mode, instantly feel the stereo surround sound, bring CD-level more shocking and more immersive music experience 10. Adopt soft rubber ear-hanging design, can be adjusted to fit the ear according to different ear shapes, more comfortable to wear 11. Large touch surface buttons feel comfortable and not prickly