DJKDJL are committed to providing customers with healthy, environmentally friendly, easy-to-use, high-quality, low-cost products to provide you with the most comfortable experience. Description: Technical parameters: Comfortable wearing method: head mounted Connection Type: Wireless Bluetooth Sounds good: dynamic circles Effective distance: 10 meters Sensitivity: 10dB Impedance: 32 ohms Frequency response range: 20Hz - 20kHz Specifications: Product Details Details of Be-ats Solo3 Bluetooth Wireless Reduces noise 1.Connect to your device via Bluetooth Class 1 technology and enjoy wireless listening. 2. Battery life up to 40 hours so suitable for all day to day use. 3. The machine uses fast fuel saving technology when the battery can play 3 hours after 5 minutes. 4. Soft, comfortable, padded jacket can be used freely. 5. With compact design, tough and durable, it can be easily folded, it can go with you. 6. Audio jack, provides a simple wired connection of a variety of devices without Bluetooth. Technical parameters: Comfortable wearing method: head mounted Connection Type: Wireless Bluetooth Sounds good: dynamic circles Effective distance: 10 meters Sensitivity: 10dB Impedance: 32 ohms Frequency response range: 20Hz - 20kHz Package Included: 1*earphone 1*instruction 1*charging cable Description: 【Perfect Christmas Gift】: The advent Calendar is a great gift for your child, make your child look forward to opening the door every day. 24 days are recorded digitally, with each date corresponding to a door you can open and take down the novelty rubber duck. It also means that Christmas is just around the corner, full of tension and joy. 【Christmas Themed Rubber Ducks】: Our set includes Christmas-themed rubber ducks and novelty rubber ducks. These colorful rubber ducks are sure to be loved by the kids! They're sure to get a lot of compliments because they're so fun and decorative. 【Safety Material】: Safe and non-tox-ic for children. Meets toy standards. Safety test passed. 【Beautiful Gifts for Gifts】: Duckies make perfect gifts and decorations for any children's party. Add fun and ambiance to your party and make great memories for all your guests! They make great gifts for birthday parties, baby showers, carnival prizes, classroom rewards, gift bag fillers, and more! 【Customer Service】: We cares about every customer's true feelings. Let customer satisfied is our aim, we are constantly making improvements based on your feed-back. We promise ref-und if there's quality problem! So please contact us if you get damaged or incorrect item. Package list： 1*set for toy