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Tronsmart Sounfii R4 Earphones Wireless Earphones with Bluetooth 5.3, Quad-Mic Call Noise Reduction, 28H Playtimes

Store rating:5.0
(1384 reviews)20 sold
HONG KONG CHAMP DRAGON TRADING CO., LIMITED
5 yrs
HK

Attributes

Active Noise Cancellation (ANC), Environmental Noise Cancellation (ENC)noise cancelling
In earheadphone form factor
Bluetooth v5.3BT Wireless
400mAhbattery capacity(mah)
IPX-4Waterproof Standard
30 Mswireless delay time
battery indicator:LED
private mold:Yes
Volume Control:Yes
place of origin:China
brand name:Tronsmart
Driver:12mm Composite Diaphragm
Battery Capacity:Charging Case: 3.7V/400mAh
Playtime:Earbuds: 6 Hours
With Charging Case:26 Hours(80% Volume)
Net Weight:43g
Gross Weight:130-140g

Key attributes

noise cancelling
Active Noise Cancellation (ANC), Environmental Noise Cancellation (ENC)
headphone form factor
In ear
BT Wireless
Bluetooth v5.3
battery capacity(mah)
400mAh
Waterproof Standard
IPX-4
wireless delay time
30 Ms
battery indicator
LED
private mold
Yes
Volume Control
Yes
place of origin
China
brand name
Tronsmart
Driver
12mm Composite Diaphragm
Battery Capacity
Charging Case: 3.7V/400mAh
Playtime
Earbuds: 6 Hours
With Charging Case
26 Hours(80% Volume)
Net Weight
43g
Gross Weight
130-140g

Packaging and delivery

Selling Units
Single item
Single package size
10.5X10.5X4 cm
Single gross weight
0.500 kg
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Lead time

Customization options

Logo/graphic design (Min. order: 5,000 pieces)
Customized packaging (Min. order: 5,000 pieces)
Graphic customization (Min. order: 5,000 pieces)
View details

Product descriptions from the supplier

Warning/Disclaimer
California Proposition 65 Consumer Warning
Minimum order quantity: 500 pieces
$9
Sample price: $49.90

Variations

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