SVEN E-255B Wireless Stereo Headphones with Microphone - User Manual
Brand: SVEN
Introduction
Congratulations on your purchase of the SVEN stereo headphones!
Copyright: © 2018. SVEN PTE. LTD. Version 1.0 (V 1.0). This Manual and information contained in it are copyrighted. All rights reserved.
Buyer Recommendations
- Shipping and transportation equipment is permitted only in the original container.
- Does not require special conditions for realization.
- Dispose of in accordance with regulations for the disposal of household and computer equipment.
Application
SVEN E-255B wireless stereo headphones with microphone are designed for operation with PC, notebooks and other mobile devices by means of data transfer via Bluetooth protocol. They can also be used in internet telephony, during video conferences, in multimedia applications, in interactive games, for speech recognition and foreign language teaching.
Package Contents
- Stereo headphones – 1 pc
- USB power cord to micro USB – 1 pc
- Additional interchangeable ear pads set – 2 pcs
- User's Manual – 1 pc
- Warranty card – 1 pc
Safety Precautions
- Don't use the stereo headphones while driving.
- Don't use the stereo headphones at high volume for a long time (more than 15 minutes), as this may cause hearing impairment.
Special Features
- 4.1 Bluetooth wireless signal transmission
- Possibility to control incoming calls with the use of a mobile telephone
- Two additional sets of interchangeable ear pads
- Battery operation time up to 5 hours
- Radius of operation up to 10 m
Description
The control unit of the headphones features several buttons and indicators:
Figure 1. Control description
- Button 1: Volume Up (short press); Next track (long press, ~ 2 seconds)
- Port 2: Micro USB jack for battery charging
- Indicator 3: LED indicator
- Button 4: ON/OFF button; Call control button; Play/Pause
- Button 5: Volume Down (short press); Previous track (long press, ~ 2 seconds)
Connection and Operation
Headset Charging
Attention! The built-in battery must be charged completely prior to the headphones application.
- Connect the headphones to a USB port of a PC or USB charger using the provided USB/micro USB cable. During battery charging, the LED indicator (3) is red.
- When the device is fully charged, the indicator (3) turns off.
- A short periodic double beep signal indicates a low battery level, and the LED indicator (3) will blink red alternately.
- The battery in the headphones is an integral part of the device. Do not attempt to extract or replace it, as this may result in warranty cancellation or device damage.
Device Switching On/Off
- To turn on the headphones, press and hold button (4) until you hear a beep signal. When the device is turned on, the LED indicator (3) will blink blue and red (search mode) or blink blue (connecting mode).
- To turn off the device, press and hold button (4) again until you hear a beep signal. When the device is turned off, the LED indicator (3) will blink red.
Control Buttons (When connected to a telephone)
- To receive an incoming call, press button (4). To end the call, press button (4) again.
- To reset the call, press and hold button (4) (~2 seconds)*.
- Pressing button (4) twice quickly activates the function to call the last dialed number*.
- Pressing and holding button (4) long disconnects the headset from the device and enters search mode.
* Depending on telephone/smartphone configuration.
Bluetooth Technology
Wireless data transfer via the Bluetooth protocol enables connecting wireless headphones to compatible devices. The maximum radius of data transfer is 10 m. Obstacles such as walls or other electronic devices can interfere with signal transfer.
Headset to Device Interfacing
Figure 2. Connection diagram
This diagram illustrates the connection between a PC or Mobile Device and the Headphones via Bluetooth 🕳.
- On the signal source (telephone, notebook, smartphone, etc.), select Bluetooth device search mode. The name "SVEN E-255B" should appear on the screen for connection*.
- If the connection is successful, a short beep signal will sound in the headphones, and the search mode indication will stop. If no device is connected, the headphones will automatically turn off after 2 minutes. If device interfacing fails, switch the system to search mode again (turn off and on)**.
- During data exchange (listening to music) with a connected Bluetooth device, the indicator (3) on the headphones blinks blue.
* For Bluetooth connection with some device models, you may need to enter the code "0000".
** If the item is already registered in the source device list, re-activating search mode is not obligatory. Simply select the item name "SVEN E-255B" and the "connect" command on the source.
Technical Specifications
| Parameter, measurement unit | Value |
|---|---|
| Sensitivity, dB | headphones: 105 ± 3 microphone: -58 ± 3 |
| Frequency range, Hz | headphones: 20 – 20,000 microphone: 30 – 16,000 |
| Impedance, Ohm | 32 |
| Membrane, mm | Ø 10 |
| Connection type | Bluetooth 4.1 |
| Bluetooth supported profiles | HSP, HFP, A2DP, AVRCP |
| Radius of operation, m | up to 10 |
| Operation time, h | up to 5 |
| Cable length, m | 0.8 |
| Weight, g | 34 |
Notes
- Technical specifications given in this table are supplemental information and cannot give occasion to claims.
- Technical specifications and package contents are subject to change without notice due to the improvement of SVEN production.
Technical support is on www.sven.fi.
