KADUN KD-386BT with memory card slot bluetooth wireless foldable music neckband earphone manufacturer

Brand KADUN
Product Name Neckband Bluetooth Wireless Earphone
Bluetooth Version V5.0
Drive Unit 10mm
Battery 130mAh
Charging Time 1 Hours
Music Time 7 Hours (Max Volume)
Support protocol HSP/HFP/A2DP/AVRCP
Bluetooth Frequency 2.400GH-z-2.480GH-z
Transmission Distance 10m