Wireless headphones are placed on the ears
Earplugs with light effect
Parental control through the app
The volume level is limited to < 85 dB

Sound:
Total resistance: 32 ohms
Speaker diameter: 32 mm
Sensitivity: 83dB (1kHz)
Frequency range: 20 – 20,000 Hz
Maximum input power: 10 mW

Connectivity:
Bluetooth version: 5.0
Codec supported: SBC
Maximum reach: Up to 10 m
Bluetooth profiles: A2DP, AVRCP, HFP
Wireless transmission type: Bluetooth
Headphone jack: 3.5 mm
Wireless: Yes

Power supply:
Music playback time: 28 hours.
Talk time: 25 hours.
Battery type (headset)
Lithium polymer (built-in)
Battery capacity (headset): 240 mAh
Charging time: 2 hours.
Quick charge time: 15 minutes charge for 2 hours operation