Why buy from us? 1. Ready stock 2. 100% Original Monster items 3. Fast Shipping 4. Guaranteed Quality and Service 5. Top Rated store in Shopee , buy with Confidence 6. One year Warranty 1. Bluetooth version: 5.2 2. Battery capacity: 40mAh*2+520mAh 3. Transmission range: 10 meters 4. Sensitivity: 99±3dB 5. Frequency response：20Hz-20kHz 6. Speaker: 12mm 7. Charging voltage： 5V/0.5A 8. Charging time：1h（earphone）,2H（charging case） 9. Play time: 6.5H(60% volume) 10. Talking time：about 4H 11. Product weight: about 55g（earphone+charging case） Key features: 1. Bluetooth 5.2 2. Active noise reduction + passive noise reduction, depth up to -30dB 3. Ambient sound listening mode allows users to react to external sounds without taking off the earphone 4. Low power consumption, low latency 5. Smart ENC, as clear as a face-to-face conversation 6. IPX4 Whaterproof and sweatproof 7. Touch button, easy to operate 8. TYPE-C charging port 9. Earphone fast charging, charge for 5 minutes and play for 1h