USAMS Earphones Bluetooth 5.0 TWS YY series white BHUYY01

Comfortable USAMS TWS YY-Series headset. This is the 4th generation of this type of headphones. Convenience and great design in one. Thanks to the use of a three-band tone equalization, the sound from the headphones is clear and free of noise. Small and lightweight, they will accompany you everywhere - at work, while exercising, or driving a car. The headphones come with a built-in microphone and a case with wireless charging capability, utilizing Bluetooth 5.0 +EDR/BDR/BLE standard.
Specification:
Material: ABS + PC
BT Version: 5.0.0
Speaker diameter: 13 mm
Sensitivity: 93 ± 3db
Frequency response: 20 Hz ~ 20 KHz
Impedance: 32 ? ± 15%
Communication range: ?15 m
Weight of headphones: approximately 3g * 2
Battery capacity of headphones: 25 mAh
Play time: approximately 2-3 hours
Call time: approximately 2-3h
Charging time of headphones: approximately 40 minutes
Weight of charging case: approximately 27g
Battery capacity of charging case: 180 mAh
Charging time of case: approximately 1 hour
Standby time: approximately 180 hours
Size of charging case: 44x20.9x16.3