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TESNA Free7 ANC Active Noise Cancelling Bluetooth Earphones (Snow White-Green)

$97.45 USD

Product Overview&Specifications

Model:
TESNA Free7
Chip:
TESNA T1 Max 12 nanometer multi-core chip
Material:
Environmentally friendly high-density ABS
Noise reduction:
ANC active noise reduction (sliding noise reduction depth of 52db)
Plug interface:
Type-C
Wireless charging:
No
Charging time:
approximately 1 hour and 30 minutes
Bluetooth version:
V5.4
Bluetooth protocol:
HFP1.7/HFP1.2/A2DP1.3/AVRCP1.6/SPP1.2andPBAP1.2/BDR/BLE
Bluetooth codec:
AAC/SBC
Working distance:
15m (accessible open environment)
Listening time:
≈6-7H
Listening time with charging case:
28H
Battery Type:
Lithium Battery
Battery capacity:
(earphones) 40mAh / 0.148Wh, (charging case) 400mAh / 1.48Wh
Headphone input parameters:
DC3.7V=35mA/H
Charging case input parameters:
DC5V=1A
Charging box output parameters:
DC5V(±0.2V)=300mA/H
Rated current consumption of headphones:
4μA
Rated consumption current of charging case:
20μA
Frequency response range:
15~20000Hz
Earphone Type:
TWS ANC Active Noise Reduction Wireless Bluetooth Earphones
Speaker:
Composite diaphragm
Number of microphones:
Unilateral triple-noise reduction + ANC + ENC dual noise reduction
Protection level:
Waterproof for daily use - IPX4 (earphones and charging case)


   



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