Mini TWS Bluetooth Earphones With Rectangular Bin Noise Reduction Long Life Sleep Wireless Music Earbuds 1. Bluetooth program: AB5656C2 2. Bluetooth version: 5.3 3. Wireless frequency: 2.4GHZ 4. Microphone sensitivity: about 42dB 5. Transmission distance: about 10 meters 6. Battery capacity: earphone: 25mAh; charging compartment: 150mAh 7. Charging port: Type-C 8. Use time: about 4-24h 9. Charging time: about 1-2h 10. Standby time: about 480h 11. Speaker: 6mm 16ohm 3mW Features: 1. Comfortable and close to the ear is thinner and lighter, you can wear it even when sleeping 2. Mini and compact, invisible and lightweight, senseless wearing 3. Directional sound transmission, no sound leakage, built-in sound leakage filter, blocking the ears can also be heard 4. Metal diaphragm speakers, loud, round and smooth sound, clear transmission 5. Dual microphone digital wind noise reduction, shielding most of the environmental noise in daily life to highlight the effect of the human voice, bringing a clearer and smoother call effect 6. Remove and connect, single and double ear seamless switching 7. Upgraded Bluetooth 5.3, faster and more stable transmission 8. Low latency game, synchronized audio and video 9. Easy to deal with outdoor indoor complex environment, waterproof body + sealed components, effectively prevent the intrusion of rain, to prevent the accumulation of dust damage components 10. Type-C fast-charging charging interface cable, full that is cut off to protect the battery