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Product Id : 4517297586274 Product Description : Headphone Type : In-Ear HD Sound : Yes Bluetooth Version : V5.0+EDR Driver Size : 8mm x 2 Drivers Bluetooth Profiles : HSP, HFP, A2DP, AVRCP Frequency : 20Hz-20KHz Operating Distance: : 10 meters Battery Charging Case : 380 mAh Earphone battery capacity : 3.7V, 40mAhx2 Talk time/music time : Up to 3.5H per Charge, Additional Up to 10.5H with Case Charging Time : 2 Hours Standby Time : 100 Hours Country Of Origin : China Charging Voltage : 5VDC Headphone Type In-Ear HD Sound Yes Bluetooth Version V5.0+EDR Driver Size 8mm x 2 Drivers Bluetooth Profiles HSP, HFP, A2DP, AVRCP Frequency 20Hz-20KHz Operating Distance: 10 meters Battery Charging Case 380 mAh Earphone battery capacity 3.7V, 40mAhx2 Talk time/music time Up to 3.5H per Charge, Additional Up to 10.5H with Case Charging Time 2 Hours Standby Time 100 Hours Country Of Origin China Charging Voltage 5VDC