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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6
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Description
Q2 TWS Bluetooth 5.0 Binaural Stereo Wireless Sports Bluetooth EarphoneProduct parameters Bluetooth Solution: Actions RL5003 Bluetooth version: Bluetooth 5. 0 Playback power consumption: 0 14mA Call power consumption: 8 13mA Standby current: 0. 36 Receive sensitivity: 85dBm Audio signal to noise ratio: 94dB Noise reduction: DSP intelligent noise reduction Product weight: 31g With packaging: 93g Packing size: 9. 5x7. 5x3. 8cm Sounding unit Type: Custom version 10MM true copper ring HIFI unit Acoustic structure: closed
Product parametersBluetooth Solution: Actions RL5003
Bluetooth version: Bluetooth 5.0
Playback power consumption: 0-14mA
Call power consumption: 8-13mA
Standby current: 0.36
Receive sensitivity: -85dBm
Audio signal to noise ratio: 94dB
Noise reduction: DSP intelligent noise reduction
Product weight: 31g
With packaging: 93g
Packing size: 9.5x7.5x3.8cm
Sounding unit
Type: Custom version 10MM true copper ring HIFI unit
Acoustic structure: closed
Magnet type: NdFeB
Frequency response: 20Hz-20kHz
Sensitivity: 92dB
Output power: regular 3mW, maximum 5mW
Microphone
Type: MEMS Digital Silicon
Number of channels: two channels (stereo)
Sensitivity: -42
Battery
Single ear power: 50mAh
Charging capacity: 250mAh
Play time: 3.5-4 hours
The charging compartment can charge the headset 2 to 3 times, and the total battery life is 13 hours.
Instructions for use
After receiving the goods, take out the earphones, the earphones will automatically turn on; the left ear flashes blue every 5 seconds, and the right ear red and blue lights alternately flash.
Turn on the phone Bluetooth, search for "Q2" and click the connection to use
Specification:
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4.1 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
I had an interview with Simon
Format: Kindle
I didn't get the job, but I did find his book extremely useful. During my interview, I failed to explain a complex financial concept in way that was easy to understand. Simon does not have this problem. The book was easy to follow and motivated me to drive idea generation within the company I currently work for. I would recommend this book to start ups or innovation officers as I have already seen results.
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Reviewed in the United States on June 30, 2014
★★★★★ 5
Excellent reference for industry
Format: Hardcover
Brilliant handbook for anyone involved in project management work at any level, but particularly for those with a strategic angle. Quickly dispelled the notion that I've been employing best practice, and pointed me in the right direction about putting together a more effective project selection process. The author clearly has a great deal of working experience of portfolio management, and that means that rather than being a dry text it's a very practical guide. Highly recommended.
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Reviewed in the United States on November 9, 2009
★★★★★ 5
Expansive and accessible
Format: Hardcover
This book broadened my thinking on project management within business. It highlights the portfolio angle, and relevant topics like how to drive adoption/usage and broad idea capture. The case studies bring things to life as well as the `list based' approach to best practices. I'd recommend it for someone who wants to understand the latest thinking in the project and portfolio management field and tie it back to business value and business strategy.
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Reviewed in the United States on October 16, 2009
★★★★★ 4
Useful overview of project and portfolio management
Format: Hardcover
A broad overview of the project management discipline. The case studies and illustrations make things clear.
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Reviewed in the United States on November 28, 2009
★★★★★ 5
Great Reference
Format: Hardcover
The book provides a complete, high-level overview of Project Portfolio Management (PPM). As the title suggests, it covers both Portfolio Management and Project Management. The book is a great reference for PPM concepts. I personally found the first few chapters of the book very interesting, because it talks about portfolio management in a different manner than what you would read in other books such as PMI's The Standard for Portfolio Management.
The book has been written in an easy-to-read style and it provides pragmatic ideas on how to best help an organization manage their portfolio, using concepts such as: Anchoring, superior estimation, batch vs. ad hoc prioritization, one portfolio or many, private collection of information, winner's curse, innovation vs. improvement projects, accounting vs. project management, etc. In short, the book is a recommender for all PPM practitioners!
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Reviewed in the United States on October 28, 2009