Public details available include frequency information, manuals, and internal & external photos. some products also feature user submitted or linked instructions, password defaults, warrantee terms, drivers, & troubleshooting guides. permalink for this FCC identifier search for: Repair details from iFixIt Replacement on Amazon Trade-in? You have to slide off the shiny plastic piece on the left side of the headset to put the batteries in. Do not try to slide off the side with the on/off switch and indicator, the dial and indicators should be on your right ear facing back. Turn on the receiver with the red light facing you then turn on the switch on the headset. Get Sentry Pro Wireless Headphones products you love delivered to you in as fast as 1 hour via Instacart or choose curbside or in-store pickup. Contactless delivery and your first delivery or pickup order is free! Start shopping online now with Instacart to get your favorite products on-demand. GabbaGoods Glitzy Glitz Over Ear Swivel Wireless Headphones - Lavender, Each. Add to cart. Add to list. $13.36 each. Sentry Adult Wireless Bluetooth Headphones-Black, Each. Add to cart. Add to list. $10.27 each. Sentry Headphones + Earbuds with Mic-Pink, 2 pk. This truly wireless design using Bluetooth technology means you'll never have to deal with tangled wires again. Deluxe stereo neodymium drivers produce crisp highs and deep bass for premium sound. Easy-to-use auto-pairing makes connecting a breeze. The earbuds turn on and auto-pair to one another automatically when removed from their storage case. Sentry Wireless Headphones Manual Android Turn on your Bluetooth Speaker. ( Some devices require you to hold down the Bluetooth button for 3 seconds to become discoverable ) Turn on your phone and hit the Menu button. Hit Settings and go to Wireless & Networks > Bluetooth Settings. Sentry Bluetooth Wireless Headphone with Mic, BT105. $189.00. Assorted colours available. Sold Out. Add to wishlist Add to compare. Twitter. Facebook. Book Title. Sentry Bluetooth Wireless Headphone with Mic, BT105. Details about Sentry HO900 Wireless Headphone and Transmitter. 5.0 average based on 1 product rating. Bluetooth Headphones Wireless Sound Bass Earphones Sport Headset with Bass Mic@ $7.59. They come with cords and manual. This looks unused but am selling as used. They are in very nice condition. You need 4 AAA batteries. 2 batteries go into the receiver and 2 go in the headset. You have to slide off the shiny plastic piece on the left side of the headset to put the batteries in. Do not try to slide off the side with the on/off switch and indicator, the dial and indicators should be on your right ear facing back. Sentry True Wireless Bluetooth Earbudsamazon.com/Sentry-Wireless-Bluetooth-Headphones-Charging/dp/B07R6Y2R78Black Earbuds: amzn.to/2NX9Z These Sentry HW701 Wireless Headphones with Transmitter let you enjoy music with the freedom to move around. They can transmit sound from an audio device up to a distance of 100'. These Sentry wireless headphones also have padded ear pieces for enhanced comfort. They can be used with a range of devices including Apple iPods, MP3 players, TVs