Wireless bluetooth Kids Childs Headphone Soft Foldable Portable Stereo Music Headset with Mic

Specification: Model: E2 Optional Color:Pink, Blue Wearing Type: Head-mounted Microphone: Yes Drive unit: 40mm Sensitivity: 853dB Impedance: 3215% Frequency response range: 20-20KHz Plug type: 3.5mm Charging power supply: DC5V bluetooth version: bluetooth 4.1 Features: - World Health Organization standards-Volume limit technology with a maximum volume of 85 3 decibels to protect children's hearing -Safety reinforcement material, resistant to falling and light, can be bent anywhere without damage. - Foldable design, easy to carry out Package Included: 1* bluetooth headphone 1* USB charging cable 1* audio line 1* Instruction manual 1* box