YYK-Q28 Bluetooth 5.3 casque sport sans fil oreille ouverte son équilibré écouteur avec crochet d'oreille IPX7 étanche fitness casque

Description Report Item / Suspicious Activity YYK Q28 Bluetooth Earphones Argument Headset model: YYK-Q28 Standby time: about 120 hours Charging function: Charging compartment to charge headphones Horn size: Diameter 16mm Body material: ABS+PC Voice prompt: Chinese or English prompt Sensitivity: -85dBm Screen display: Charging/power display Bluetooth version: Jerry 6973 Bluetooth 5.3 Charging time: about 1 hour Charging time: about 1 hour Headphone battery capacity: 50mAh Bluetooth transmission distance: ≤10 meters Instruction manual: Chinese/English Press/Touch: Touch Charging cable length: 30CM Running time: About 8-10 hours Charging voltage: DC 5V Charging port: Type-C Charging capacity: 300mAh Frequency range: 2.402GHz-2.480GHz SNR: ≥90dB Color: Black, white Low battery alert: Voice low battery alert