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Bluetooth Headset V4.1+EDR, HFP and A2DP profile, up to 100 hours standby time

Node Works Trading (Hong kong) Limited.

Bluetooth Headset V4.1+EDR, HFP and A2DP profile, up to 100 hours standby time

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Brand Name : Node Works

Model Number : Bluetooth headset-NW-JT760

Certification : CE/FCC

Place of Origin : China

MOQ : 1000

Price : USD 5 per piece

Payment Terms : T/T inadvance

Supply Ability : 10K pieces per month

Operating distance : 10 meters

BT profile : A2DP + HFP

Music playback time : 3 hours

phone call time : 3 hours

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Bluetooth headset-NW-JT760 specification

Bluetooth Headset V4.1+EDR, HFP and A2DP profile, up to 100 hours standby time

Distance Range 10 M
Bluetooth Protocol V4.1 + EDR
Bluetooth Profile HSP + A2DP
Microphone Build in
Battery Capacity 60 mAh
Low battery warning Yes
Audio freq. range 20-20Khz
Charging Time 1-2 Hours
Standby Time up to 110 Hours
Phone call time 4 Hours
Music playback 4 Hours
Connector Micro-USB

Bluetooth Headset V4.1+EDR, HFP and A2DP profile, up to 100 hours standby timeBluetooth Headset V4.1+EDR, HFP and A2DP profile, up to 100 hours standby time

A typical Bluetooth headset.


Bluetooth technology is widely used for short-range voice transmission. While it can be and is used for data transmission, the short range (due to using low power to reduce battery drain) is a limiting factor. A very common application is a hands-free Bluetooth earpiece for a phone which may be in a user's pocket.

A stereo Bluetooth headset.


There are two types of Bluetooth headsets. Headsets using Bluetooth v1.0 or v1.1 generally consist of a single monaural earpiece, which can only access Bluetooth's headset/handsfree profile. Depending on the phone's operating system, this type of headset will either play music at a very low quality (suitable for voice), or will be unable to play music at all. Headsets with the A2DP profile can play stereo music with acceptable quality. Some A2DP-equipped headsets automatically de-activate the microphone function while playing music; if these headsets are paired to a computer via Bluetooth connection, the headset may disable either the stereo or the microphone function.

Advanced Audio Distribution Profile (A2DP)


This profile defines how multimedia audio can be streamed from one device to another over a Bluetooth connection (it is also called Bluetooth Audio Streaming). For example, music can be streamed from a mobile phone, to a wireless headset, hearing aid/cochlear implant streamer, car audio, or from a laptop/desktop to a wireless headset; also, voice can be streamed from a microphone device to a recorder on a PC. The Audio/Video Remote Control Profile (AVRCP) is often used in conjunction with A2DP for remote control on devices such as headphones, car audio systems, or stand-alone speaker units. These systems often also implement Headset (HSP) or Hands-Free (HFP) profiles for telephone calls, which may be used separately.

Each A2DP service, of possibly many, is designed to uni-directionally transfer an audio stream in up to 2 channel stereo, either to or from the Bluetooth host. This profile relies on AVDTP and GAVDP. It includes mandatory support for the low-complexity SBC codec (not to be confused with Bluetooth's voice-signal codecs such as CVSDM), and supports optionally MPEG-1 Part 3/MPEG-2 Part 3 (MP2 and MP3), MPEG-2 Part 7/MPEG-4 Part 3 (AAC and HE-AAC), and ATRAC, and is extensible to support manufacturer-defined codecs, such as aptX.

Some Bluetooth stacks enforce the SCMS-T digital rights management (DRM) scheme. In these cases, it is impossible to connect certain A2DP headphones for high quality audio.

Headset Profile (HSP)


This is the most commonly used profile, providing support for the popular Bluetooth headsets to be used with mobile phones. It relies on SCO for audio encoded in 64 kbit/s CVSD or PCM and a subset of AT commands from GSM 07.07 for minimal controls including the ability to ring, answer a call, hang up and adjust the volume.

[From Wiki]


Wholesale Bluetooth Headset V4.1+EDR, HFP and A2DP profile, up to 100 hours standby time from china suppliers

Bluetooth Headset V4.1+EDR, HFP and A2DP profile, up to 100 hours standby time Images

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