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For traffic safety, do not use vFree headphones while driving or cycling. Do not wear vFree headphones while operating machinery. Adhere to local laws regarding the use of headphones.
Listening with vFree headphones at high volumes may affect your hearing, including causing permanent damage. Ringing in your ears or other discomfort can indicate that the volume is too high.
Hearing health is critical to enjoyment and the quality of life. Protect your hearing by listening with your vFree headphones in a responsible manner that protects your long term hearing health. Velodyne Acoustics, Inc. is not responsible for hearing loss or damage resulting from the use of this product.
Sound | Noise Level (dB) | Effect |
Normal breathing | 10 | Just audible |
Whisper | 30 | Very quiet |
Normal conversation | 50-65 | Comfortable hearing levels are under 60 dB |
Vacuum cleaner, hair dryer | 70 | Intrusive; interferes with telephone conversation |
Average city traffic | 80 | Annoying; interferes with conversation; constant exposure may cause damage |
Lawnmower, food blender | 85-90 | 85 dB is the level at which hearing damage (8 hrs) begins |
Garbage truck, cement mixer | 100 | No more than 15 minutes of unprotected exposure recommended for sounds between 90-100 dB |
Stereos (over 100 watts), thunderclap (near) | 110-125 | Regular exposure to sound over 100 dB of more than one minute risks permanent hearing loss |
Jet engines (near) | 140 | Threshold of pain begins around 125 dB |
*Information obtained from http://www.nidcd.nih.gov/health/education/teachers/pages/common_sounds.aspx
Ear cups should be cleaned regularly for sanitary reasons and to prolong the life of your ear cups.
With a dry cloth or paper towel, thoroughly clean the ear cups.
Do not get the speakers or electronics inside of your headphones wet. Liquids and heavy moisture can cause damage to the electronics inside your headphones. Such accidental damages are not covered under warranty.
Specifications
Driver size: 34 mm
Frequency response: 20 Hz - 20 kHz
Sensitivity: 98 dB/1 kHz/1 mW
Impedance: 32 Ω
Frequency range: 2.4GHz - 2.4835GHz
Transmission range: up to 10 m (33')
Power: lithium-ion polymer battery, 3.7 V / 430 mAh (rechargeable)
Operating temperature: 0°C - 40°C
Supports Bluetooth v2.1 + EDR, A2DP v1.2, AVRCP v1.0, HSP v1.2, HFP v1.6
Support codecs: SBC, AAC, apt-X
*Design and specifications are subject to change without notice
Playback, volume, and phone control functionality varies by media device. When using the audio cable, control the playback, volume, & phone functions by using the media device controls.
Button | Function |
Power ![]() ![]() | Long press (3 seconds) - power on Long press while off (5 seconds) - pairing Press and hold > 3 seconds - power off |
Play ![]() ![]() ![]() ![]() | Short press - play/pause Short press (while calling) - answer/end call |
Volume up (+) | Increase volume (max level indicated by beep sound) |
Volume down (-) | Decrease volume |
Next ![]() | Press once to go to next track Press and hold to fast forward |
Previous ![]() | Press once to go to previous track Press and hold to rewind |
Charging the vFree before using for the first time is recommended in order to maximize battery life. Low battery is indicated by the LED status indicator flashing red approximately every 10 seconds.
To begin charging, connect the USB cable (micro USB end) to the port at the bottom of the left ear cup. Connect the other end of the USB cable to any charge capable USB port or a USB-style charger. Your vFree headphones will begin charging, as represented by the red LED status indicator. Once charging is complete, the LED status indicator will illuminate green.
Charge time | About 1.5 hours |
Talk time | Up to 10 hours |
Music playback time | Up to 10 hours |
Standby time | Up to 100 hours |
When using the audio cable, the audio signal is applied directly to the headphone speakers and all electronics are bypassed. No function of the headphones will work when using the audio cable other than simply playing the audio signal.
vFree headphones can fold for easier storage. To fold, remove any cables attached to the headphone and push each ear cup inward towards the inside of the band.
Software reset (paired device list reset) | In off mode press and hold the power and volume down (-) keys > 8 seconds. The LED indicator will flash quickly alternating red and blue. |
Hardware reset (use if the headset malfunctions and is unresponsive) | While charging the headset press both the power and volume up (+) keys. |
LED Activity | Function |
![]() Fast flashing (blue) x 5 | Power on |
![]() Fast flashing (red) x 5 | Power off |
![]() Fast flashing (red/blue) | Pairing |
![]() Flashing (red) every 10 seconds | Low battery |
![]() Flashing (blue) x 2 every 5 seconds | Paired |
![]() Flashing (red) x 2 every 5 seconds | Standby (Bluetooth off) |
![]() Alternating (red/blue) flashing x 3 | Clear setting / reset |
![]() Flashing (blue) x 2 | A2DP active with SBC codec |
![]() Flashing (blue) x 3 | A2DP active with AAC codec |
![]() Flashing (blue) x 4 | A2DP active with apt-X codec |
![]() Fast flashing (blue) | Incoming / outgoing call |
![]() Fast flashing (blue) x 2 | Active call |
When charging (red) | Charging |
When charging (green) | Full charge |
Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type. Service should only be done by a VELODYNE factory authorized service representative.
Information regarding service may be obtained from the dealer from whom you purchased the unit, or by contacting Velodyne customer service. Warranty service must be performed by a Velodyne factory authorized service representative within the warranty period set forth above. Shipment of defective units to Velodyne for repair or replacement will be at the customer's own risk and expense. Velodyne will assume return shipping cost for all units repaired or replaced under warranty for US shipping addresses, and for units that were directly purchased and shipped from Velodyne.
Customer service contact information:
Toll free number: 855-219-4717
Technical support: 408-465-2851
Email: service@velodyne.com
Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.
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