Ultrasonic Directional Speaker Compact TF Card Bluetooth 5.0 Directional Speaker
$ 138.87
Description
Description: Bluetooth 5.0 chip With Bluetooth, you can connect Supports Android phones, Apple phones, iPads, various tablets, laptops with Bluetooth function, etc. Effective distance of 10 meters Spread distance: within 5 meters Size: 98.5 * 98.5 * 30mm Shell: Aluminum alloy shell Color: Black Directional angle: 10-15 ° Frequency range: 400Hz-10kHz Maximum power: 15W Sound pressure level: 80dB @ 1kHz/1M Power input: 5V-3A Total harmonic distortion: 0.5% Method 1: Play sound through TF card connection; Method 2: Play sound through Bluetooth connection; Method 3: Play sound through audio cable connection. Buyer Notice summary Ultrasound, with a wavelength of only a few millimeters, is much smaller than a speaker and can produce a narrow sound beam that is almost straight. Ultrasonic directional horn can propagate in the air like a flashlight beam, and can control sound waves to be most clear in a specific area. The sound is loud in the designated area, but outside this area, the sound will be very low or even non-existent. Product features ·Superdirectivity: With an ultra narrow beam angle, it avoids mutual interference from different sound sources; ·Low loss of authenticity: Preprocessing algorithms reduce distortion and meet the needs of ordinary speech and music; ·Ultra long distance: The sound intensity does not decay with the distance of the spherical surface, increasing the propagation distance; ·Virtual sound source: The effect of producing sound from objects through reflection; ·Ultra thin characteristics: The ultra-thin transducer unit gives the system an ultra-thin thickness; ·Easy to install: optional desktop bracket or wall mounted installation, can be installed at any angle Shipping: It usually takes 3-5 days to process the order. Standard express delivery shipping, UPS\USPS\FEDEX\DGM, etc. We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay.Changing the delivery address after the package sent is not accepted，thank you！ Customs Declaration: Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding. Return Policy: Please be sure to contact us to obtain the sender's address before returning. Unless there is a quality problem, the opened and installed items are not allowed to be returned, which should be supported by evidence. All returned items must be properly packaged in their original condition and contain all the items originally provided. We always reply to eBay messages within 1-2 business days. If you do not get a response from us, then please check your eBay message. Only unused, undamaged and original condition item can be qualified for a return. Feedback: We strive for 100% customer satisfaction! Positive Feedback is very important to us. If you have any questions, please feel free to contact us instead of leaving negative feedback. We will reply your email within 24 working hours. Only unused, undamaged and original condition item can be qualified for a return. About us : Our normal working days are from Monday to Saturday, from 9:00 a.m. to 6:30 p.m. Beijing time. However, due to the large number of emails received every day and the time zone difference, we will reply to your email as soon as possible. All the pictures are taken by us, and there may be color difference. All parameters of the product are measured manually, with certain deviation. Thank you for your understanding and support
