TWS-115B Bluetooth headset with microphone SBOX

Headphone type: Bluetooth, in-ear
Frequency range (Hz): 20-20000
Headphone resistance (Ohm): 32
Headphone sensitivity (dB): 102 +/- 3
Earphone size (mm): 8
Interface: Bluetooth 5.0 / Type-C (for charging)
Material: Plastic
Color: Black
Talk time/music time (h): 4-5
Charging time (h): 1-2
Working distance (m): 10
Chip: Bluetrum AB5616
Battery: lithium-polymer, earphone 35 mAh + charging case 200 mAh
Dimensions (mm): 24x23x26 (earphones) / 62x45x34 (charging case)