Check the listing for details. 3M 90543-4DC Work Tunes Hearing Protector Earmuff, Bluetooth Connect, 24dB -. Condition: New. Listed at 82.70 USD. Work Tunes Hearing Protector Earmuff, Bluetooth Connect, 24dB 3M 90543-4DC 3M Work Tunes Bluetooth Connect Wireless Hearing Protector Earmuffs with Noise Reduction Rating of 24 dB. Seamlessly stream entertainment from your mobile phone and any other Bluetooth enabled device. High fidelity speakers provide premium sound quality. Integrated microphone lets you make and take calls without removing ear protection. Cord and antenna free design lets you move easily. Simple single button interface allows you to stay focused on the job. Audio Assist technology provides operational and set up guidance without having to take off headset. Flexible headband with cutouts to improve comfort when worn with caps. Lightweight, durable design. Soft, conformable ear cushions and low profile cups for comfortable fit. 2 hour auto shut-off with low battery indicator. Built-in rechargeable battery charging cord included. Compatible with non-Bluetooth devices via 3.5mm audio cable (not included). AC charging adaptor (not included). Device compatible with stand. Comes boxed. ADDITIONAL INFORMATION PRODUCT MANUFACTURER: 3M MANUFACTURER'S PART NUMBER: 90543-4DC UPC: 076308913267 HEIGHT: 7.060inches LENGTH: 5.830inches WIDTH: 3.900inches WEIGHT: 0.9700lbs PRODUCT FEATURES -->Unless otherwise indicated, Ron's Home And Hardware only sells NEW items in the original manufacturer's packaging. Shipping All items ship from our location via Standard Ground shipping within 1-3 business days of receiving payment. RETURNS Your satisfaction is very important to us. Please contact us through eBay messaging regarding any problems before leaving negative feedback. Any defects, damages, or material differences with your item, must be reported to us within 7 days of receipt of the item or 30 days from date of shipment. The returned merchandise must be postmarked within 30 days of the shipment notification. Non-deliveries must be reported within 30 days of Shipment Notification. Undeliverable, unclaimed, refused, or insufficient addresses will be subject to a 20% restocking fee plus the cost of shipping.