USAMS Earphones Bluetooth 5.0 TWS SD series gem blue BHUSD02

Comfortable USAMS TWS SD-Series headset. Convenience and great design in one. Thanks to the use of three-band equalization, the sound from the headphones is clearer and free of noise. Small and lightweight, they will accompany you everywhere - at work, during workouts, or while cycling. The headphones with a built-in microphone use Bluetooth 5.0. This headset is for those who need a lightweight, stylish design for listening to music and high-quality calls.
Improved touch controls, long battery life, stable transmission. The set also includes a dedicated case that acts as a power bank with a capacity of 300mAh.

Specifications:

Model: US-SD001
Bluetooth Version: 5.0
Sensitivity: 103 ± 3db
Frequency Range: 20 Hz ~ 20 KHz
Speaker Diameter: 13 mm
Impedance: 32 Ω ± 15%
Connection Distance: <10 m
Headphone Weight: 4g * 2
Headphone Battery: 40 mAh
Play Time: 3 ~ 4 hours
Talk Time: about 3.5 hours
Charging Time of Headphones: about 1 hour
Charging Case Battery: 300 mAh
Charging Time of Case: about 1.5 hours
Standby Time: about 40 hours
Charger Input: 5 V, 1 A.
Compatibility: Devices with iOS and Android operating systems and Bluetooth support