Bone Conduction Speaker Hummingbird Speaker Bone Conduction Audio Speaker Bluetooth TWS Wireless Audio$14.02
Bluetooth adapter
$4.05
Ships from our partner warehouse. Delivery time is counted from dispatch.
Details
Interface USB plug and play or not plug and play
External power supply
Transmission rate 21 (Mbps)
Effective working radius 10 (m)
Bluetooth standard 4.1
Working frequency: 10 (MHz)
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