- Product name:K40 tws earbuds
- Key feature2:TWS 5.0 Headset
- Key feature3:Earhook Headsets
- BT Version:5.0
- Standby time:200h
- Material:ABS
- Type:In-ear Earbuds
- Play time:3-4h
- Accessories:micro usb
- Frequency response:20Hz-18KHz
- Certification:FCC
- Is wireless:Yes
- Wireless Type:bluetooth
- Support Memory Card:No
- Vocalism Principle:Balanced Armature
- Volume Control:Yes
- Control Button:No
- Codecs:AAC
- Style:In-ear
- Communication:Wireless
- Use:Portable Media Player
- Use:Mobile Phone
- Use:Aviation
- Use:COMPUTER
- Use:Dj
- Function:bluetooth
- Function:Waterproof
- Function:Noise Cancelling
- Function:Microphone
- Bluetooth Standard:Bluetooth v5.0
- Waterproof Standard:IPX-4
- Active Noise-Cancellation:No
- Place of Origin:CN;GUA
- Brand Name:Kingstar
- Model Number:k40 Two Earphone pair
- Cord Length:30CM
Product Description
2019 Trending Auto Pairing Bluetooth 5.0 TWS Earphone Headphone
wireless version | 5.0 |
Speaker size | 10mm |
standby time | one for 80hours,and set for 60 hours |
Frequency | -90db |
Sensitivity | 98dB ± 3dB |
Battery capacity | 50mAh for left and right one |
work time | 4-5 hours,a set for 2-3hours |
Charge time | 1-2H |
Function | noise cancelling,microphone,handfree call |
Earhone | In-ear |
Battery capacity | 450ma |
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