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Bluetooth 3.0 Hat Headphones Cap Amazon eBay AliExpress designed for striped sports knit music caps
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Cap size: normal: 56-58 cm, the largest stretch: 56-62 cm
Bluetooth Hat for music and hands-free calls
Compatibility is good, almost compatible with all the same version of the Bluetooth smart phone.
V3.0 + EDR Bluetooth version, suitable for most devices with Bluetooth function.
Knitted material, fashion, warm, winter response phone.
Set up a microphone that can be used for mobile phones to transfer telephones directly to your audio device so that users can receive calls free of charge via the device.
Set the lithium-ion rechargeable battery, charge through the USB cable, standby time is long.
Support the display receiver battery on the iPhone.
The same time as the above-
Bluetooth: V3.0 + EDR
Transmission distance: 10M or so
Transmission distance MIC: ≤1M
Lithium-ion battery: 3.7V / 100mA
Charging time: 2.0 hours
Standby time: up to 60 hours
Continuous working hours: about 3.5 hours
Bluetooth name: Bluetooth magic cap
1 * Bluetooth music cap
1 * USB cable
1pcs * English description