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Product Details:
Charging input: 5V=1A
Horn power: Φ50mm
Horn power: 4Ω/3W
Bluetooth specifications: BULUETOOTH 5.0
Battery specification: 18650 lithium battery
Working hours: 4-6 hours
Charging time: 2-3 hours
Wireless range :10 meters
Product size: 65mm*44mm*140mm

Packing list:
Alarm clock speaker *1