Stay connected to your music and your coffee with this 16oz stainless steel vacuum flask that doubles as a Bluetooth speaker. It keeps drinks hot or cold for hours while delivering clear audio for calls, podcasts, or playlists. Designed for commuters, office workers, and outdoor enthusiasts, this insulated mug brings together two daily essentials in one smart package.

This vacuum flask is built with double-wall stainless steel to maintain your beverage temperature. Hot coffee stays warm for hours, and iced drinks remain chilled without condensation on the outside. The built-in Bluetooth speaker pairs quickly with your phone, so you can enjoy hands-free calls or background music wherever you go.

The 450ml capacity is ideal for a standard coffee order or a serving of tea, soup, or cold brew. A secure screw-top lid prevents spills during travel, making it a reliable choice for car commutes, office desks, or weekend hikes. The speaker is powered by a rechargeable battery that offers several hours of playback on a single charge.

This product combines the convenience of a portable thermos with the enjoyment of wireless audio. It is food-grade stainless steel, BPA-free, and easy to clean. Whether you are driving to work, sitting at your desk, or relaxing at home, this Bluetooth coffee cup adds a touch of modern utility to your daily routine.

Key Features and Benefits

- Double-wall vacuum insulation that keeps drinks hot or cold for up to 6 hours

• Built-in Bluetooth speaker that streams music and handles phone calls wirelessly

• 16oz / 450ml capacity that fits standard car cup holders and most backpacks

• Stainless steel construction that resists rust, dents, and daily wear

• Rechargeable battery that provides hours of playback between charges

• Leak-resistant screw lid that prevents spills during travel

Who Is This For

- Commuters who want hot coffee and hands-free calls during their drive

• Office workers who prefer a single product for both their drink and background music

• Outdoor enthusiasts who need a durable insulated bottle with entertainment on the go

• Anyone who enjoys listening to podcasts, audiobooks, or music while sipping a hot or cold beverage

Usage Scenario

James drives 40 minutes to work each morning. He used to carry a separate coffee mug and a portable speaker. Now he fills his Bluetooth coffee cup with hot black coffee, pairs his phone, and listens to the morning news during the drive. At his desk, the cup keeps his second serving warm until lunch. On weekends, he takes it on short hikes to enjoy cold water and a favorite playlist.

Micro Comparison

Standard insulated flasks only keep your drink hot or cold. This product adds a Bluetooth speaker without increasing bulk. Unlike separate speakers that require extra pocket space, this mug integrates audio into an everyday item you already carry. It simplifies your gear without sacrificing insulation performance or sound quality.

Specifications

- Material: Stainless steel

• Capacity: 16oz / 450ml

• Insulation Time: 0-6 hours

• Bluetooth Version: Standard wireless pairing

• Battery: Rechargeable, built-in

• Lid Type: Screw-top, leak-resistant

• Care: Hand wash recommended

Size Guide

Please allow 1-3 cm / 0.4-1.2 in difference due to manual measurement. The cup fits standard car cup holders and most backpack side pockets.

Package Includes

- 1 x Bluetooth Speaker Vacuum Flask

• 1 x Screw Lid

• 1 x Charging Cable (USB)

• 1 x User Manual

Why You Will Love It

It simplifies your daily carry by combining two useful functions into one sleek product. You get the comfort of a perfectly heated drink and the enjoyment of wireless audio without extra clutter. It is a practical upgrade for anyone who values convenience, quality, and a little music with their coffee.

Questions and Answers

Question: Can I wash this Bluetooth coffee cup in the dishwasher?

Answer: No, hand washing is recommended to protect the speaker and battery components. Wipe the exterior with a damp cloth and rinse the interior with warm soapy water.

Question: How long does the Bluetooth speaker battery last on a full charge?

Answer: The battery provides several hours of continuous playback. Actual duration depends on volume level and audio content.

Question: Does the cup keep cold drinks cold as well as hot drinks hot?

Answer: Yes, the double-wall vacuum insulation works for both hot and cold beverages. Iced drinks stay chilled without exterior condensation.

Question: Can I take phone calls through the speaker?

Answer: Yes, the built-in microphone allows you to answer and speak during calls. Your phone must be within Bluetooth range.

Question: What is the Bluetooth range for this speaker?

Answer: The effective range is about 10 meters / 33 feet under open conditions. Walls and obstacles may reduce the range.