C4 IPX4 TWS Bluetooth Earphones Fingerprint Touch Wireless Earbuds (Black, 501 Original

C4 IPX4 Waterproof TWS Bluetooth 5.0 Earphones Fingerprint Touch Control Wireless Mini Earbuds for Music Handsfree Sports Specification:Model: C4Color: Black, WhiteHeadphone Type: TWSBluetooth Chip: JL6936DBluetooth Version: 5.0Bluetooth Protocol: A2DP/ AVCTP/HFP/HSP/AVRCPDecoding Format: SBCBluetooth Distance: 10m/32.81ftCharging Box Power Capacity: 300mAhCharging Box: for Charging More Than 2-3 TimesHeadphone Battery: 40mAhEarphone Continuous Playback Time: 5 HoursCharging Time: 1 Hour for Earphones; 1.8 Hours for Charging BoxCharging Box Power Input Voltage: 5VReceiving Sensitivity: 105±3dBSpeaker Diameter: 8mmTransmission Frequency: 20Hz-20KHzHeadphone Size: 22.2 X 16.3 X 21mm/0.87 X 0.64 X 0.83\"Charging Box Size: 68.8 X 40.5 X 33.2mm/2.71 X 1.57 X 1.31\"Headphone Weight: 4gCharging Box Weight: 24.5gNote:1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!2. Please allow 1-3mm measuring deviation due to manual measurement.1 Pair X Bluetooth Earphones1 X Charging Bin1 X Charging Cable1 X Manual