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bluetooth solution: Bluetooth V5.0

product Speaker: 8cm speaker
product chip: Zhongke Lanxun BT5376
standby time: 60 days +
working time: 3-4 hours, the charging bin can charge the earphone twice +.
Charging time: about 1 hour
communication Distance: Barrier-free 10-15 meters
headphone battery capacity: 50 mA
charging case Battery capacity: 300 mA (with IC protection board)
packing information:
bare Metal weight: 30g
complete set weight: 70g
product Accessories: charging cable + Chinese and English manual + Total (3 sets of ear cap)
color box size:8.5*10.5 * 4cm
carton size:43.5*38 * 22.2cm, 100 sets, 7.5kg/box
tips: ben