Product parameters:1. bluetooth version:V5.02. Material:ABS
food silicone ear cap3. Transmission distance:more than 10 meters4. Speaker:copper ring 8mm5. Battery:headset 55mAh, charging compartment 350mAh6. Music time:4-5H7. Standby time:120H8. Fully charged time:about 0.5 hours9. Color:white, black, pinkFeatures1. You don’t need any skills to use earbuds. You only need to take out wireless earbuds from the charge case.2. Featuring bluetooth 5.0 and lossless HD rendering technology that produce incredible sound quality with deep bass and crystal crisp treble.3. True wireless earbuds can block out a lot of surrounding noises, and do avoid wind noise created during running, biking, jogging, etc.4. Extremely light weight and Earflap design with two pairs of ear tips to ensure your headphones stay firmly in place and improve the experience on sports.It is up to 5hours playing time when headphones fully charged.