In-ear monitors extend into the ear canal, providing isolation from outside noise. A headset is a headphone combined with a microphone. Telephone headsets connect to a fixed-line telephone system. A telephone headset functions by replacing the handset of a telephone.... Detail >>

They come in all shapes in sizes, with price tags to match. You may want something lightweight and inexpensive, but that's no good if it won't charge your most essential devices.... Detail >>

Safety is the key to choosing the right Power Bank, 1. Battery Quality Grade A is a general concept used to denote a very good quality battery. The real test is whether or not the battery has a UL Certification. 2. Protective Circuitry The Protective Circuitry or PTC is considered a Safety Valve. It protects the equipm... Detail >>

1-1.5 Times, as usual our smart phone battery is 1200-1900mAh.... Detail >>

A battery charger, or recharger, is a device used to put energy into a secondary cell or rechargeable battery by forcing an electric current through it. The charging protocol depends on the size and type of the battery being charged. A trickle charger provides a relatively small amount of current, only enough to counte... Detail >>

Power bank also called "mobile battery", "external battery", "spare battery", "digital charging companion", and "charging stick". It also has a very personal name: "mobile phone lover". "Power bank" concept has been developed along with the rapid growth and popularization of digital products, and its definition is: por... Detail >>

According to the manual book it will be simple enough, only need to check the indicator. Most power banks have a built-in four LED lights indicator. The LED light sparks once the power is connected and all four LED lights stay on when the battery is fully charged.... Detail >>

Mier International (HK) Import & Export CO., ltd was founded in August, 2008. Mier is located in LongGang District of China, which has nearly 5000 square meters factory buildings with 250 employee and pass ISO9001:2008, BSCI, WCA, SQP, GSV, UL certificate,we are maily OEM/ODM Portable Phone Charger . Welcome to visit M... Detail >>