Materials: ABS Plastic
Support : Bluetooth/Hands-free call /TWS/TF/Sound White Noise Bluetooth vresion：V5.3
Range: 10meters
Speaker:4Ω/5W
Headphone Speaker:φ13
Headphone battery capacity:30mAh
Storage box battery capacity:500mAh
Charging Time:2-3 hours Earphone Working Time: 2-4hours
Speaker Working Time:3hours White noise: 15 soothing sounds
S/N ratio:≥80db Product size:12.4*7.5*2.5cm