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 tone balancing, the sound from the headphones is clearer and free of noise. Small and lightweight, they will accompany you everywhere - at work, while exercising, or during bike rides. 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 making high-quality calls.
Enhanced touch controls, long battery life, stable transmission. The set also includes a dedicated case that works 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
Weight of headphones: 4g * 2
Headphone battery: 40 mAh
Play time: 3 ~ 4 hours
Call time: about 3.5 hours
Charging time for headphones: about 1 hour
Charging case battery: 300 mAh
Charging case time: about 1.5 hours
Standby time: about 40 hours
Charger input: 5 V, 1 A.
Compatibility: Devices with iOS and Android systems and Bluetooth support