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Specification:
Brand: Lenovo
Model: LP40
Color: Black/White(optional)
BT version: V5.0
Transmission distance: 10m
Horn diameter: 13mm
Sensitivity: -32±3dB
Battery capacity: 300mAh(charging case), 40mAh(earbud)
Packing list:
1 * Pair of earbuds
1 * Charging case
1 * Charging cable
2 * Pairs of earplugs
1 * User manual
These are so bad !!