Function application:

*This product innovates the traditional teaching mode for bone conduction waterproof earphones such as swimming and underwater ballet, while improving efficiency and changing the voice of coaches

*This product is a green military product

*A metronome that can play music and download from a mobile phone through an external player with the host computer

*The host has external and internal microphone functions

*With independent volume adjustment function,

*It has the effect of anti fatigue and refreshing massage. Its application fields include running, gym, club, etc

Technical parameters:

*Output power: left channel right channel 1.5W * 2 (4 Ω)

*Input sensitivity: ≤ 400mV

*Signal to noise ratio: ≥ 82dB

*Distortion rate: ≤ 0.7%

*Frequency response: 60Hz-20KHz * Speaker: bone conduction

*Power supply voltage: DC 3.7V

*The state of the endurance teaching machine is 6 hours (voice state)

*The waterproof grade is IPX8, and it can work normally 10 meters underwater

*The teaching channel for normal shipment is 12 channels, and can be customized to 21 channels at most

*Water depth: 1m, waterproof: 10m, transmission distance: 170m,

*Magnetic charging with voice prompt function

*Multi functional storage box packaging

*With fast frequency modulation function

*5.0 Bluetooth version

Package specification:

Product size: 135mmx135mmx45mm (single)

Product weight: 0.06Kg/(single)

Package size: 160mmx138mmx48mm (single)

Package weight: 0.185Kg/(single)

Outer box size: 550mm x 470mm x 423mm (60 sets)

Packaging method: 60 sets/carton; 11KG/box