jess wireless headphone
Product Description:
• Bluetooth version: 5.4
• Frequency: 2.402 GHz - 2.480 GHz
• Operating unit size: 40mm
• Sensitivity: 105±3dB
• Resistance: 32 ohm ±15%
• Input: 5V/500mA
• Operating time: 30 hours
• Playtime with Active Noise Cancellation (ANC): 20 hours
• Battery capacity: 3.7V / 400mAh
• Charging time: 2 hours
• Transmission range: 10 meters
• Output power: 25mW*2
• Connectivity: USB-C
• IPX4 water resistance
• Support voice assistant and hands-free calling