USAMS YO17 BE Series Wireless Bluetooth-compatible 5.3 TWS Earbuds Lightweight Headphones In-Ear Headset - Black

• 31 hours long battery life with charging case, up to 7 hours of listening in a single session
• Bluetooth-compatible 5.3 core upgrade, sensitive fingerprint touch control
• Large 13mm dynamic ring, good sound quality can be heard
• Open cover and connect, 12m fast pairing

Specifications:

• Material: PC
• Connection Range: S12m
• Speaker Sensitivity: 105±3dB
• Frequency Response: 20HZ-20KHZ 
• BT Version: 5.3
• Speaker Diameter: 13mm
• Impedance: 32Ω
• SNR: >70
• Earbuds Battery Capacity: 35mAh
• Playing Time: About 7h
• Calling Time: About 3h
• Earbuds Charging Time: About 1.5h
• Charging Case
• Battery Capacity: 400mAh
• Charging Case Input: 5V
• Charging Time for the Case: About 2h
• Battery time: About 31h
• Patent: The charging compartment has a patent, while the headphones do not have a patent