TWS Ear-Mounted LED Digital Display Noise Reduction Bluetooth Earphones With Power Bank Function Features: 1. Elastic rubber ear-hanging design, comfortable to wear, stable and will not fall off 2. Compatible with various mobile phones and systems 3. Bluetooth 5.3 chip, dual-channel synchronous transmission, stable and fast 4.HiFi level stereo sound effect, double-ended driver large voice coil speaker 5. Use PUandtitanium composite diaphragm moving coil to bring immersive bass effect 6.ENC environmental noise reduction, clearer calls 7. LED digital display of power makes it easy to observe the power. 8. Free switching between single and double ears, regardless of primary and secondary ears 9. The charging compartment can charge the earphones 4 timesand the charging compartment has a mobile phone charging function Product parameters: 1. Speaker: 8MM real copper ring speaker 2. Bluetooth chip: Zhongke Lanxun 5616 3.Bluetooth version: 5.3 4. Transmission distance: 10 meters 5. Battery capacity: Headphones: 30 mAh (with IC protection board), charging box: 800 mAh 6. Standby time: 80H 7.Playing time: 6H 8. Charging time: about 1H 9. Charging compartment size: 96 x 63 x 34mm Note: 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.