M28 Tws Wireless Earbuds Product modelļ¼M28Speaker powerļ¼32 ohm-0.0015 mW*2 true copperringSpeaker specificationļ¼8mm*2Bluetooth versionļ¼JL 6983/5.1 versionBluetooth distanceļ¼10-12 metersProduct sizeļ¼45mm*18mm*24mmHeadset batteryļ¼50mAhProduct weightļ¼98gCharging