Technical specifications for SOUNDCORE Liberty 4 NC Wireless Bluetooth Noise-Cancelling Earbuds – Velvet Black
CONNECTIVITY
Jack: No
Bluetooth: Bluetooth 5.3
NOISE REDUCTION
Passive noise-isolating: No
Active noise-cancelling: Yes
Quick attention mode: Yes
Controllable noise-cancelling: Yes
GENERAL
Manufacturer’s guarantee: 1.5 years
Box contents: – Soundcore Liberty 4 NC Wireless Bluetooth Noise-Cancelling Earbuds- Charging case- USB Type-C charging cable- Ear tips x 4 (S, M1, M2, L)
Weight: 9 g
OVERVIEW
Type: In-ear
Colour: Velvet black
SOUND FEATURES
Driver type: Custom-made driver
Speaker diameter: 11 mm
Impedance: 10 Ohms
Frequency response: 20 – 40,000 Hz
Certified for High-Resolution Audio: Yes
CONTROLS
Microphone: Yes
Playback / functions control: Yes
Control positioning: Earbud
Volume control: Yes
Control compatibility: – iOS- Android
SMART / LIFESTYLE
Heart rate monitor: Yes
App: Soundcore app
App compatibility: – iOS- Android
POWER
Battery life: – Earbuds: Up to 10 hours- Total with charging case: Up to 50 hours
Battery: Internal rechargeable battery
Charging time: – Earbuds: 1.5 hours- Charging case: 3 hours via wall charger / 3.5 hours via wireless charger
Quick charge: 4 hours battery life from 10 minutes charging
Charging method: – Earbuds: Charging case- Charging case: USB Type-C or wireless charging