Bluetooth V5.1
Active Noise Cancellation
Independent Transmission
Game / Music Modes
ENC Noise Cancelling
Wireless Charging
TECH SPECS
Speaker Size: 10 mm
Frequency Response: 20 Hz-20 kHz
Earphone Sensitivity: 102 dB @ -10 dBFS
Mic. Sensitivity: -42 dB @1 kHz/Pa
Earphone Impedance: 32 ohm
Bluetooth Version: v5.1
Operation Distance: 10 m
Earphone Battery Type: Lithium Battery (40 mAh)
Charging Case Battery Type: Lithium Battery (500 mAh)
Charging Power: 5V=1A
Earphone Charging Time: Case Charging Time:Music Playtime with Single Charge: ?4H
Playtime from Charging Case: ?24H
Weight: 50 g
More info: http://www.bloody.com/en/product.php?pid=33&id=243