Wireless Mini Portable Card Bluetooth Speaker Cute Mini Audio Subwoofer Children Specification: Product name: Bluetooth audio. Product color: yellow. Product material: plastic, aluminum alloy. Bluetooth version:.0. Screen sound range: 20Hz-20KHz. Working time: 3-4 hours. Horn power: 3w. Battery capacity: 400mAh. Product size: 4.4x4.4x3.3cm/1.73x1.73x1.29 inches. Package size: 12x10x4.5cm/4.72x3.93x1.77 inches. Product weight: 60g/0.13 lb. Package weight: 102g/0.22 lb. Feature: Small and cute: cute shape, you can't put it down, small body, carry around, no matter which scene can be very easy to control. Strong body: metal and food-grade silica gel, small body is not afraid of falling, frosted texture, round and smooth without. Surround sound effect: magnetic 36mm speaker, HFI pure clear sound effect, suitable for babies to listen for a long. Bluetooth pairing: one-button Bluetooth link, no need to download applications, and mobile phone link is convenient. Card can be inserted: up to 32G can be inserted for playback. Instructiongs: Because the size of the product is measured manually, there may be errors. Package Contents: Charging cable x1 Bluetooth audio x1 Lanyard x1 Manual x1