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  • Model: ECA-521152


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Usually ships within 2-7 days.
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$16.03 $15.71 $15.39 $15.23 Wholesale Inquiry
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Product Features:

  • High Quality Sound
  • Support audio device with AUX 3.5mm port, audio transmission wirelessly. Built-AEC echo cancellation and noise cancellation circuit ANC, gorgeous stereo sound more pure
  • Long battery life
  • 300 mAh built-in battery enables you to play sudio file more than 10 hours with full charge at a time
  • Bluetooth 4.1
  • Consume much lower power than other versions of Bluetooth, with phone call and NFC functions,more easy to using
  • App and Driver free
  • Easy to connection, no need download any driver or APP

Product Specifications:

    Type: Audio Receiver
    Interface: USB Power Port, 3.5mm Audio
    Main Color: As shown in the picture
    Built-in battery300 mAh
    InterfaceAUX 3.5mm port
    Wireless TypeNFC,Bluetooth
    Bluetooth Standard:Bluetooth v4.1
    Support agreement:HFPV 1.6, HSPV 1.2, V1.2 AVRCP, V1.4 A2DP
    Charge time:about 2 hours
    Audio performance:stereo support AAC, MP3, SBC......
    Audio SNR:more than 75dB
    Life time:>10H
    Transfer rate: about 24Mbps
    Bluetooth distance: >20M (open area)
    Charging USB 5V/0.5A Micro
    Output connection mode:3.5MM stereo interface, dual output
    Compatible with: for Android, IOS system mobile phones and PAD, and all Bluetooth audio devices
    Net Weight:25 g / 0.88 oz
    Size:59.5 x 59.5 x 13 mm / 2.3205 x 2.3205 x 0.507 inch

Package Contents:

  • 1 x B7 Audio Receiver
  • 1 x USB Charge Cable
  • 1 x 3.5mm AUX Cable
  • 1 x English/Chinese Manual
Available Shipping Method Tracking NO. Estimated Delivery


1) Estimated delivery time includes processing time and actual shipping time. Normally our processing will take 1-2 working days.

2) Estimated Delivery Time shown above is only for reference, since actual delivery time depends on shipping service selected, delivery schedule and local customs clearance time, especially during peak periods.

3) Shipping Costs shown include fuel surcharges and may change a bit due to the fluctuation of currency exchange rates.

4) For the order with only one item (only one item):

a. if your item is less than 20USD and need registered freight, you need to pay certain upgrading fee.
b. if your item is more than 20USD, our system will ship your item with tracking number automatically free of charge.

5) For the order with multiple items (multiple items):

a. if most items' price is more than 20USD in one order, we will send the parcel with tracking number for free.
b. if most items in one order is low value with reasonable weight and size, our Checkout process is able to identify such order giving free registered freight on it.
c. if most items in one order are low value but with relatively high weight (i.e. Value: Weight ratio is not in reasonable range), we will charge certain discounted upgrading fee if you need tracking number.

Custom Tax

A. Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility.

B. Please check with your country's customs office to determine what these additional costs will be prior to buying.

Return Policy

All the cell phones you bought from come with 6-month warranty and all the items we offer have a 3-month warranty. See additional details, please refer to our Shipping & Returns or our FAQ Return Policy.

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