EB-TWS32 Bluetooth headphones with microphone

Headphone type: Bluetooth, in-ear
Frequency range (Hz): 20 - 20000
Headphone resistance (Ohm): 32
Headphone sensitivity (dB): 93 +/-3
Earpiece size (mm): 8
Interface: Bluetooth 5.1
Material: Plastic
Color: Black
Standby time (h): 160
Talk time/music time (h): 3-4
Distance (m): 10
Chip: JL6983
Battery: 40 mAh (earbuds) / 250 mAh (charging box)