[1] The role of passive noise reduction. In terms of passive noise reduction, the current social environment is relatively noisy, for example, on the subway, on the bus, there may be other noises in every place. The better ear pads of Bluetooth headsets are now better, soft and comfortable, and have a certain isolation effect…
1. Don’t wear headphones for a long time 2. Don’t turn on the volume too much. If someone from a meter away can’t hear you clearly, you should lower the headset volume. 3. Choose headphones that are comfortable to wear. 4. The earphone should be of good quality, low noise, and the volume can be…
advantage 1: The sound field is good, the sound quality is very good, and the comfort is good. 2: Do not enter the ear to avoid scratching the ear canal. 3: Compared with in-ear earplugs, it protects the tympanic membrane. shortcoming 1: Summer is a bit sultry 2: Inconvenient to carry 3: If the sound…
1: Realize the most intimate contact with the ears, greatly reduce the leakage of sound, this advantage has two directions; (A: increase the texture and volume of the low frequency; b: increase the performance of the music details) At present, the low-end earplugs mostly use a, while the high-end earplugs mostly use b. 2: Reduce…
For the needs of data exchange, T electronic devices provide USB interfaces, whether it is a PC, a tablet, a mobile phone or even a display device. Almost without exception, there are USB interfaces. However, due to the limitations of technical standards, the USB plug has “directionality”. If the direction is wrong when inserted, it…
1. It can be used to connect various electronic devices to realize the purpose of data transfer, backup, and data synchronization without the network. This is an important use of the usb data line interface, especially for data backup and synchronization, which is of great significance for modern data security. Under certain conditions, in order…
1. When going out, you can charge your mobile phone without plugging in. 2. Small size, easy to carry, and can be carried along with the sound. 3. It can charge a lot of electronic products in time, such as mobile phones, handheld computers, digital cameras, etc. 4. In a normal charging environment, the test…
The mobile power bank is usually designed to be light, small, and easy to carry to facilitate mobile use. After the charger is fully charged to the mobile power supply (usually designed to be fully charged for 3-5 hours), connect your digital device with a suitable connector or directly connect the USB On-the-Go (USB-OTG) portable…
1. Convenience: There is no need to connect with wires when charging, just put it near the charging appliance. When there are multiple electrical devices, multiple chargers can be saved, multiple power sockets are not occupied, and multiple wires are not entangled with each other. 2. Safety: There is no energized contact design, which can…
Discharge static electricity when cleaning. Clean the charger and charging port regularly. When cleaning, use a damp cloth or an antistatic cloth. Do not use dry cloth (static charge)! Waterproof and moisture-proof. As an electronic product, accidental ingress of water or exposure to humid air when it is not used for a long time will…