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Welcome to our shop, if you have any questions, please contact us immediately, we will reply you within 24 hours! !Feature:Five-soundThere is a switch button at the tail, which can adjust the door bell, metal bell, vibrating bell, siren, whistle.WaterproofFully sealed and waterproof, without fear of sudden storms during riding, to meet daily use.USB chargingFast USB charging, suitable for USB charging on the market, built-in large-capacity battery, long-lasting battery.Good materialMade of aluminum alloy and engineering plastic material, wear-resistant and rust-proof, very durable.ApplicationVery suitable for road bikes, mountain bikes, balance bikes and other bicycles to install and use.Specifications:Material: Aluminum alloy + engineering plasticColor: BlackBattery capacity: 280mAhPower supply: Built-in lithium batteryInterface: USBItem size: 5*4.4*1cm/1.97*1.73*0.39inch(L*W*H)Weight: 70g/2.47ozPackage Including1*Bell\n1*USB charging cable\n1*Package box
Five-sound: There is a switch button at the tail, which can adjust the door bell, metal bell, vibrating bell, siren, whistle.
Application: Very suitable for road bikes, mountain bikes, balance bikes and other bicycles to install and use.
USB charging: Fast USB charging, suitable for USB charging on the market, built-in large-capacity battery, long-lasting battery.
Waterproof: Fully sealed and waterproof, without fear of sudden storms during riding, to meet daily use.
Good material: Made of aluminum alloy and engineering plastic material, wear-resistant and rust-proof, very durable.