Brand Name: Earson
Model Number: ER-163
bluetooth Version: 4.0
Horn Unit: 40mm 4Ω 5W*2
Charging Voltage: DC 5V 500mA
Battery Capacitty: 1500mAh
Working Voltage: 3.7V
Prequency Response: 40Hz-18kHz
Compatible With: Most of bluetooth devices like smartphone, PC, Pad.
Built-in bell button and remote photogragh.
Five defenses: (IPX3 dustproof, IPX5 splash waterproof, shockproof, scrapeproof, crashproof)
Specific buckle design (convenient and fashion)
360 degree coding switch volume control and three -level LED battery indicator function.
Function: Hands-free, TF card, AUX connection and bell signal.