Audífonos deportivos J12 batería de larga duración

Model :J12
Material: ABS
• BT version: V5.4
• BT range: 10m (barrier-free open environment) • 
Frequency:2402MHz-2480MHz
• Music time: about 4.5h
• Calling time: about 4h
• Earphone battery capacity: 3.7V / 40mAh
• Case battery capacity: 3.7V / 400mAh
• Charge time: 1.5 hours
• Case charging port: Type-C
• Case power input: 5V⎓ 1A