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Item specifics
  • Function: For Mobile Phone,Sport,For Routine Office Work,Common Headphone,Supports music,Voice control,for Video Game,Noise Cancelling,Wireless Headphone,Portable,HiFi Headphone,For iPod,Bluetooth
  • Support APP: No
  • Time to market: 2016
  • Model Number: BT501
  • Communication: Wireless
  • Support Apt-x: No
  • Sensitivity: 103±3dB
  • Support Memory Card: No
  • Vocalism Principle: Dynamic
  • Is wireless: Yes
  • Plug Type: Wireless
  • Frequency Response Range: 20-10000Hz
  • Style: Headband
  • Line Length: 1.5M
  • Wireless Type: WIFI,Bluetooth
  • Waterproof: No
  • Connectors: USB
  • With Microphone: Yes
  • Resistance: 32Ω
  • Brand Name: JENMV
  • Bluetooth: Bluetooth 4.0
  • Charge time: 2 hours
  • Music Time: 7 hours
  • Standby time: 180 hours
  • Battery: 300 mah
  • Frequency range: 20-10KHZ
  • Talk time: 6 hours
  • Speaker diameter: 40mm
  • Use distance: 10m
Product Description
Picture BT502 BT501 SY968 IP888 IP878
Bluetooth V4.0+EDR V4.0+EDR / / /
Supported profiles HSP A2DP AVRCP HSP A2DP AVRCP / / /
Line Length 1.5M 1.5M 2.3M 1.5M 1.5M
Microphone Yes Yes Yes Yes Yes
Sensitivity 103±3dB 103±3dB 106±3dB 103±3dB 103±3dB
Frequency range 20-10000HZ 20-10000HZ 20-10000HZ 20-20000HZ 20-10000HZ
Impedance 32Ω 32Ω 32Ω 32Ω 32Ω
Battery Capacity 300 mah 300 mah / / /
Music Time 8 hours 7 hours / / /
Talk Time 7 hours 6 hours / / /
Standby Time 180 hours 180 hours / / /
Charging Time 1-2 hours 2 hours / / /
Size 180 x 185 x 78mm 180 x 185 x 78mm 180 x 120 x 120mm 180 x 120 x 120mm 180 x 120 x 120mm
Price USD$ 35.71
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USD$ 29.62
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USD$ 25.07
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USD$ 22.01
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USD$ 19.72
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Product Specification:
Bluetooth Version :4.0
Operation Distance:10m
Music/Talk time:up to 7 hours
Loudhailer Diameter:40mm
Input power : 30mW(maximum)
Mic Dimension : 1.4 x 1.5 mm
Charging Time : 2 hours
1x Bluetooth headphone
1x Micro USB Cable
1x English User Manual
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Guarantees And Service
Contact Details
What guarantees can I get from Aliexpress?
1,Full Refund: if you don′t receive your order
You will get a full refund if your order does not arrive within the delivery time promised by the seller.
2,Full or Partial Refund: if the item is not as described
If your item is significantly different from the seller′s product description, you can A: Return it and get a full refund, or B: Get a partial refund and keep the item.

What guarantees can I get from NIERBO?
NIERBO company promise you 2 years′ warranty. Since from the first second your place our product, you get our top priority. No matter what kind of problem you might meet, you are free to contact us and get our support. What if after two years? Do not worry! We are still here for you. Your happy user experience is our first concerned.
Contact Details
What can i do if the device has some problems?
All NIERBO company′s products are tested exhaustively before we send out. But if you do not like our product or you think them something wrong, NIERBO guarantee you that no matter what problem you meet, we would like to help you resolve with our sincere heart and professional technology. Finally, if can not work, you can return products back in 7 days and replace or exchange in 30 days from the day you received, unless products are damaged artificially obviously.
  Buyer Pay
The shipping Cost
Seller Pay
The shipping Cost
Photo Doc
Dislike Yes / / Yes Contact us
in 7 days
Change Style
or Color
Yes / / Yes Contact us
in 7 days
Wrong items
or Color
/ Yes Yes Yes Contact us
in 7 days
/ Yes Yes Yes Contact us
in 7 days
/ / / / Unacceptable
What can i do after 30 days?
Do not worry about that. You get the 2 years′ Warranty.We will still be here for you and do what all we can do to help you resolve.
About shipping
NIERBO company always gives you best shipping way according to your request after your order approved. We will send packages out within 24 to 48 hours. If hot products are lack of stock, we will let you know at the first time and get your permit for extending delivery time. Because it is your right and your voice is always our most concerned. DHL, FedEx IE, Aramex, Singapore EMS, PostNL, Sweden Post, China Post, Aliexpress Shipping are our common shipping way. If have another special request, you are free to contact us. We will try our best to meet your demands. If delivery is delayed or item was damaged during the delivery. Please email us, we are here to help. It is our pleasure to follow the shipping status all the time until you get your packages successfully.
The following picture is about shipping time (not include holiday).
  European North
Asian Oceania Africa
16-26 days 19-39 days 30-60 days 18-30 days 20-40 days 20-30 days
PostNL 20-30 days 20-30 days 10-20 days 30-60 days 20-40 days 20-30 days
4-10 days 4-10 days 4-10 days 4-10 days 4-10 days 4-10 days
Singapore EMS
10-15 days 10-15 days 10-15 days 10-15 days 10-15 days 10-15 days
Seller Shipping
30-60 days 30-60 days 30-60 days 30-60 days 30-60 days 30-60 days
About shipping
1. Lower product price will be printed on the invoice/bill except customers′ special request (Please contact us).
2. Tax is a complex issue, because it depends what country you are receiving the goods into. Some countries are easy to import into and have few restrictions and no taxes. Other countries are extremely restrictive and have high taxes. You can research what the law and practices are in your country.
3. Sometimes you may need to provide information to your local Customs office about the shipment you are receiving. Sometimes they will need you to provide an invoice matching the invoice that accompanies the goods. In these cases please contact us immediately and we will provide you with a PDF of the shipping invoice.
4. If, for any reason, the products cannot be delivered to you due to a Customs problem, we will discuss with you case by case about how best to handle the issue(s).
About shipping
We regard customers as our friends. We hope our products can satisfy you. We are trying our best to make you happy. Please do not forget to leave us 5-Star feedback. Cheers.
About shipping


Packaging Details
  • Unit Type: piece
  • Package Weight: 0.5kg (1.10lb.)
  • Package Size: 18cm x 12cm x 12cm (7.09in x 4.72in x 4.72in)
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Packaging Details
  • Unit Type: piece
  • Package Weight: 0.5kg (1.10lb.)
  • Package Size: 18cm x 12cm x 12cm (7.09in x 4.72in x 4.72in)
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