Ear-Mounted Wireless Headset Color:Red when you use only 2

when you use only 2 pads

size length bust Waist sleeve S 63 82 72 55 M 65 86 76 57 L 68 90 80 57

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Ear-Mounted Wireless Headset Color:Red when you use only 2Commodity information: Loss range: 10 meters Function: battery display, call function, voice control, support music Bluetooth protocol: 5. 0 Channel: stereo How to use: head mounted Whether single or double ear: bilateral stereo Type: X10, X10Pro Bluetooth version: Bluetooth5. 0 Net weight: 30. 8g Use time: 6. 5h Charging time: <<2h Standby time: 480h Response frequency: 20HZ 20KKHZ Bluetooth distance: >10m