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Open-ear Audio Sunglasses
Bluetooth Version: V5.0
Frame material: Nylon TR90
Battery: 110mAh
Receiver Range: 10m
Waterproof grade: IP44
Charging Time: 2H
Working Time: 4-5H
Charging Input: 5V 1A
Frequency: 2.4GHz
Product size:151*52*mm
Net Weight: 48.0g