Lenovo ThinkPad T14 Gen 4 | Intel VPro i7-1365U 10 Cores DDR5 512 SSD 14-inch Full HD+ Carbon Fiber Finger Print, 13th Generation

Product Model: TWS-10iWireless Version: V5.1Transmission Distance: 10mDriver Unit: 13mmFrequency Response: 50Hz-20KHZImpedance: 160hmRated Power:10mWCharging Case Battery Capacity: 250mAHEarbud Battery Capacity: 30mAHCharging times of Charging Case: 4Input: DC5V–1A PlayTime: 4HStandby Time: 200HCharging Time: 1.5HNet Weight: 30.2gCharging Case Size : 45*44*21mm