Headphone type: Bluetooth, in-ear Frequency response (Hz): 20-20000
Headphone resistance (ohms): 32
Headphone sensitivity (dB): 107 +/- 3
Driver size (mm): 13
Interface: Bluetooth 5.4 + BR + EDR + BLE / Type-C (for charging)
Standby time (h): 22-26 hours
Talk time/music time (h): 6
Charging time (h): 1-2
Range (m): 10
Noise reduction: Yes, ANC (active noise cancellation) + ENC (ambient noise cancellation, 4 microphones)
Chip: Bluetrum JL 7003
Battery: Lithium polymer, 45 mAh earphone + 300 mAh charging case
Material: plastic, rubber coating
Dimensions (mm): 16x26x31 (headset) / 26x61x48 (charging case)