Kids wireless headphones (X-Tech)

Highlights 

• Lightweight stereo headphones with microphone and wireless technology
• Soft padded and adjustable headband for a comfortable over-the-ear fit
• 40mm drivers deliver crisp and natural sound from various audio sources
• Foldable design for compact mobility
• On-board controls for power, music and phone call management
• Features a Micro SDTM card slot and a 3.5mm auxiliary port to play audio from non-Bluetooth® devices
• Multicolor LED lights with running effects
• Supports MP3, WAV format files playback
• Battery status indicator on iOS devices

Specifications

Headphone

• Form factor: On ear
• Driver unit: Ф40mm
• Maximum power output (R.M.S.):  30mW
• Frequency response: 20Hz-20kHz
• Signal to noise ratio: 85dB
• Impedance: 32Ω±15%
• Sensitivity: 107±3dB/mW
• Buttons: (S.P.L. at 1kHz) On/Off/Play-Pause/Answer or reject calls, Volume+/Next song, Volume-/Previous song, Mode 

Microphone

• Form factor: Built-in 
• Directivity: Omnidirectional 
• Frequency: 50Hz-16kHz
• Impedance: 2.2kΩ
• Sensitivity: -42dB±3dB
• Volume control: Yes

Battery

• Type: 3.7V, 500mAh built-in rechargeable lithium battery 
• Charging time: 3 hours 
• Run time: Up to 4 hours 
• Standby time: Up to 5 hours* 
• Charging method: Up to 100 hours

Additional information

• Connection type: Micro USB 
• Wireless: Bluetooth® V.5.0, 3.5mm and Micro SD (TF)
• RF frequency: 2.402GHz-2.480GHz
• Wireless range: About 33ft**
• Cable length: Audio and charging cable: 4ft
• Dimensions: 6.2x3.1x8in
• Weight: 6.4oz

*Estimated battery run time depending on usage and volume settings