M28 Wireless Earbuds TWS Bluetooth 5.1 

Product size：45mm*18mm*24mmHeadset battery：50mAhProduct weight：98gCharging case battery:2000mAhCharging case size:85mm*55mm*30mmPlay time:3-4HCall time:3-4HHeadset charging time:1HCharging time of charging case:1HFunction operation:Dual mode dual decoding