Item name: Bluetooth headset
Material: ABS
Size: 14*10*1.25
Weight: 24g
Parameter:
Product model/Product model RT558
Bluetooth Version/Bluetooth Version BT4.2
Applicable mode /Applicable mode neck hanging / hanging ear (in-ear type)
Battery capacity/Battery capacity 40mAh
Standby time/Standby time ≈48H
Use time/Talk time ≈3H
Charging time/Charging time ≈1H
Product color/Product color Black/Red/Blue
Waterproof grade: IPX-4
The indicator light turns red when charging, and turns off when fully charged
Instructions:
listening mode
Switch between upper and lower areas: press "+" to release to switch to the previous song, and press "-" to release to switch to the next song
Volume control: long press "+" to increase volume, long press "-" to decrease volume
Pause: Short press: "Switch key"
Call mode:
Answer the call: press the "on-off key" on the headset
Hang up the call: press the "on/off key" on the headset
Reject the answer: long press the "on/off key" on the headset
Call the phone: After entering the phone number on the mobile phone, press the "on-off key" on the headset
Redial the last dialed number or turn on the voice assistant: 1. In the standby state of the headset (no music), press and hold the "ON" key
Accessories list: earphone + charging cable + manual
Precautions:
Please fully charge the headset when using it for the first time.