KE-31 Over-Ear Bluetooth-compatible Headphones with RGB Lights Wired / Wireless Headset - Black

• Bluetooth-compatible 5.3: Easy pairing, stable connection. Let your child enjoy wireless music without worrying about tangled cables
• Use the included audio cable to connect the headphones to your device, and you can still enjoy music even if the headphones are not charged. When the audio cable is inserted, the Bluetooth-compatible mode will be turned off
• Wireless Hands-Free Calls: When the headphones are on, they make an ideal online learning tool for your child on your phone
• Rechargeable - Built-in 400mAh: Support about a few hours of continuous playback. If the Bluetooth-compatible mode battery is low, you can use the auxiliary cable to enjoy the wired mode
• Independent Buttons: Multi-button design allows for easy music switching, volume adjustment, and complete control of play/pause
• Adjustable Headband: Soft padding and pressure-relieving ear cushions, suitable for people of different ages
• Lightweight and Comfortable: Even when worn for extended periods, children won't feel pressured
• Foldable and Portable Design: The foldable headband and compact design are perfect for your backpack 

Specifications:

• Bluetooth-compatible Version: JL V5.3
• Transmission Distance: 15m
• Output Power: 10mW
• Impedance: 32Ω
• Speaker Diameter: 40mm
• Frequency Response: 20Hz-20kHz
• Sensitivity: 115±3dB
• Battery Capacity: 400mAh
• Charging Time: 2 hours
• Standby Time: 120 hours
• Duration with Lights: 8 hours
• Duration without Lights: 16 hours