Neck-mounted Bluetooth headset CSR4.0

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Product Details


Features:  This product uses the world famous brand CSR Bluetooth stereo Bluetooth chip, to ensure high-fidelity sound quality and stability and superior call effect. This product supports Bluetooth V4.0 version, support Bluetooth A2DP call active noise reduction (ANC) function.
Function Key Introduction:
1 - NEXT key: short press for the next song function, long press to fast forward.
2 - PREV key: short press for the previous function, long press to rewind.
3 VOL + key: short press for volume plus
4 VOL + key: short press for volume reduction
5 On / Off Pull the switch: Turn the switch on to the ON position
6 - blue light flash a few, the first search has been paired equipment, when the search automatically after the connection, 2 seconds after the automatic match into the state, blue light long bright, paired with a good blue light every 3 seconds flash two Open connection, the blue light flash every 3 seconds, hit the OFF position off, turn off the blue light flash a few times.
7-phone key: in the standby mode, click for the dial control, call the state short press the answer phone, and then click to hang up, long press 2 seconds to reject the phone, turn on the phone long press 2 seconds to mobile phone and Bluetooth headset Mutual conversion to answer, long press 2 seconds for the last number of pull.
8 - Play Pause key: Music playback Short press to play / pause.
9-pairing state 5 minutes No paired connection Automatic shutdown, pairing time 5 minutes; Pair when blue light is on, no connection status Blue light interval is about 3 seconds flashing time. After connecting the phone blue light interval of about 3 seconds flash twice; charging Bluetooth will reset shutdown, can not be used when charging, charging red light long, charging red light off
10 - to have electricity display.
11 - Simultaneous pairing of two phones or devices with Bluetooth capability.
12 - call intermittent vibration tips, when the device exceeds 8M after the anti-theft vibration tips.
13 - Install the LG BT Reader on the Andrews system phone and read the short message. 14 - using apt-X lossless audio transmission technology.
15 - support for high-definition call technology (VoLTE, H)

The Fine Print


  • This item is sold through the Groupon Store QY, operated by shining technology inc.
  • The merchant is solely responsible to purchasers for the fulfillment, delivery, care, quality, and pricing information of the advertised goods and services.
  • This product is new.
  • Product eligible for free returns within 14 days.
  • Offer is not eligible for promo codes, but is eligible for Groupon Bucks.
Offer is not eligible for our promo codes or other discounts.

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