Factory Price Comfortable Wirelss Bluetooth Headphone For Kids, Teenager

Bluetooth Version:JL 5.3

Battery capacity: 250mAh

Driver diameter: 40mm

Frequency range: 20Hz-20,000Hz

Impedance: 32 Ohm

Sensitivity: 105B±3dB

Power Supply: 5V DC

Receiver Distance: 10m

Charging time:2 hours

Playing time:4-5 hours

Talk time:4-5 hours

Function:Bluetooth/Calling/Redial / Volume control/ TF card /FM Mode/Audio cable   

Charging Interface:Type C