Active Noise Cancelling Headphones HROEENOI JZ02 Bluetooth Headphones Over Ear Wireless Headphones CVC 8.0 Microphone Deep Bass Headset 40 Hours Playtime Foldable Adults Travel Work PC TV Black

Specifications: Bluetooth: 5.0 Operating frequency: 2.402GHz-2.480GHz Transmission distance: 10M Call duration: >30H (ANC OFF status) Music playing time: >25H (70% volume, ANC ON status) Music playing time: >30H (70% volume, ANC OFF status) Charging time: 2±0.5H Standby time: >600H Battery capacity: 600mAh/3.7V Speaker specification: 40mm Speaker impedance: 32ohms±15% Speaker sensitivity: 90±3dB Frequency range: 20-20000Hz What’s in the box 1* Pair of Bluetooth headphones 1* Carrying case 1* 3.5mm audio cable 1* USB-C charging cable 1* User guide