Features:High-Quality Material: These wine glasses with wireless speakers are made of high-quality stainless steel material, which is wear-resistant and durable, can be used for a long time, and is harm-less to your health.Good sound effect: The Bluetooth-compatible speaker is equipped with high-quality speakers, allowing you to enjoy great music.Multifunctional water cup: This water cup is not only equipped with a detachable wireless speaker, but its lid is also designed with a bottle opener for easy use.Suitable for a variety of places: suitable for leisure, entertainment, office, indoor, outdoor, hiking and other places.EXCELLENT GIFT: This is a meaningful gift for family or friends, such as housewarming gift, Valentine's Day gift, Christmas gift, birthday gift.Notice:*Actual color may be slightly different from the image due to different light effect*Please allow 1-3cm deviation due to manual measurementMaterial: Inner tank: 304 stainless steel, outer shell: 201 stainless steelSize: Top width: 9.5cm, bottom width: 6.6cm, height: 18cmCapacity: 16ozBattery capacity: 500 mAhFunctions: Cup, Bluetooth-compatible speaker, bottle opener