Description
FreeBuds 4 adopts a semi-open in-ear design, supports active noise reduction 2.0 and adaptive noise reduction; is equipped with AEM human ear adaptive technology, supports dual device connection; charges for 15 minutes and plays music for 2.5 hours.
Technical Parameters
model
T0004
Product Categories
TWS wireless earphone
The main purpose
noise reduction
Drive unit/diameter
14.3mm wide range generating unit
Frequency response
up to 40kHz
wireless function
wireless function
Bluetooth 5.2
Battery Type/Capacity
30mAh
Headphone box battery capacity
410mAh
charging time
Charging the earphones with the box: about 60 minutes; wired charging with the empty box: about 60 minutes
battery life
Fully charged earphones, listening to music: 4 hours (noise reduction off), 2.5 hours (noise reduction on)
Listen to music with the charging box: 22 hours (noise reduction off), 14 hours (noise reduction on)
Specifications
Exterior color
ceramic white
Product Size
Charging box: diameter: 58mm; earphone: 41.4×18.5×16.8mm
weight
A single earphone weighs 4.1g
Charging box: 38g (excluding earphones)
The main parameters
Sensors: microphone sensor, wearing detection sensor
Accessories/Standard Configuration
Earphone × 1 pair
Charging box × 1
USB-C charging cable×1
Quick Guide × 1
Safety information description × 1
Warranty card × 1
Version | china,United States,Japan,Global Edition All in supply |
Color | red,black,white,blue |
Complaint
