Majentik Buds 3 ANC Wireless charging with noise cancelation - White

Brand: Majentik 
Model: Buds 3
Specifications: 
- Wireless version: V5.3
- Working range: barrier-free 10 meters
- Wireless frequency: 2.402-2.480GHz
- Charge and discharge cycle: >300 times 
- Charging box capacity: 300mAh
- Charging voltage: DC5V-1A
- Charging time: 2 hours
- Talk time: about 4.5 hours (80% volume)
- Play music: about 4.5 hours (80% volume) 
- Headphone built-in battery: lithium battery 3.7V, 30mAh 
- Standby time: The headset is about 40 hours, and the charging case is about 260 hours of standby time
- Operation Frequency Range: 2402-2480MHz, 110-205 KHz