|Driver size (mm)||32|
|Driver sensitivity at 1kHz/1mW (dB)||90|
|Dynamic frequency response range (Hz)||20Hz – 20kHz|
|Charging Cable Length (m)||0.2|
|Charging Cable Length (ft)||0.7|
|Ear Cup External Height (in)||2.5|
|Ear Cup External Width (in)||2.5|
|Ear Cup Internal Height (in)||1.2|
|Ear Cup Internal Width (in)||1.2|
|Ear Cup Depth (in)||0.6|
|Ear Cup External Height (cm)||6.5|
|Ear Cup External Width (cm)||6.5|
|Ear Cup Internal Height (cm)||3|
|Ear Cup Internal Width (cm)||3|
|Ear Cup Depth (cm)||1.6|
Control Connect Specifications
|Bluetooth profiles||HFP v1.5, HSP v1.2, A2DP v1.2, AVRCP v1.5|
|Bluetooth transmitted modulation||GFSK,π/4DQPSK, 8DPSK|
|Bluetooth transmitter power||0-4 dbm|
Documents & Downloads
Quick Start Guide
What’s in the Box
- 1 x JR 310BT headphones
- 1 x USB charging cable
- 1 x Sticker set
- 1 x Quick Start Guide
- 1 x Warranty card
- 1 x Warning card
FAQs & How-Tos
Yes. This headphone has a built in microphone. To answer a call, press the power button which is located on the Left Ear Cup for 1 second. If you wish to hang up the call, press and hold the power button for 2 seconds.
Audio Cable Information
This headphone does not feature an audio cable jack. This is a Bluetooth only headphone.
Multipoint Connectivity InformationThese headphones do not support Multipoint Connectivity, which means that they can only be connected to one Bluetooth device at a time.
Power and Pair Information
Press and hold the power button located on the RIGHT ear cup. Make sure that the device is on and in Bluetooth range. If this is the first time connecting the device, it will automatically go into pairing mode. You will notice the LED light alternate between blue and white as it searches for a device to connect to. The headphones should pop up on your list of discoverable devices within 3-5 seconds, and connect.
To reset the headphones, power on the headphones and plug in the USB cable into a USB charger or USB port. Paired mobile devices should disconnect and the led should be constant white. When unplugging the USB cable, the headphones will power off. When manually powering on the headphones, and the last connected mobile phone is not in range, the headphones will revert to Bluetooth Pairing mode ( blue led will blink ) after 5 seconds.
Headphone Material Information
These headphones consist of plastics, synthetic leathers and foams. All JBL Jr products were put through extensive tests and are compliant with Standard Consumer Safety Specification for Toy Safety.
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