Description
Chip: Huilian; Bluetooth Version: 5.2; Material: ABS; Battery Capacity: 250mAh + 400mAh; Charging Time: Approx. 2 hours; Usage Time: Approx. 8 hours; Charging: 5V 1A, maximum 2A; Transmission Latency: 20ms; Reception Distance: 80 meters (unobstructed environment)
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