Headphone type: Bluetooth, in-ear
 Frequency range (Hz): 20-20000
 Headphone resistance (Ohm): 32
 Headphone sensitivity (dB): 97 +/- 3
 Speaker size (mm): 10
 Interface: Bluetooth 5.4 + BR + EDR + BLE / Type-C (for charging)
 Material: Plastic
 Color: White
 Standby time (h): 22
 Talk time/music time (h): 3-4
 Charging time (h): 1-2
 Working distance (m): 10
 Chip: Bluetrum JL 7023
 Battery: lithium-polymer, earphone 30mAh + charging box 200mAh
 Dimensions (mm): 18x23x26 (earphone) / 27x57x46 (charging box)
Headphone type: Bluetooth, in-ear
 Frequency range (Hz): 20-20000
 Headphone resistance (Ohm): 32
 Headphone sensitivity (dB): 97 +/- 3
 Speaker size (mm): 10
 Interface: Bluetooth 5.4 + BR + EDR + BLE / Type-C (for charging)
 Material: Plastic
 Color: White
 Standby time (h): 22
 Talk time/music time (h): 3-4
 Charging time (h): 1-2
 Working distance (m): 10
 Chip: Bluetrum JL 7023
 Battery: lithium-polymer, earphone 30mAh + charging box 200mAh
 Dimensions (mm): 18x23x26 (earphone) / 27x57x46 (charging box)