Product Name: Huawei Mini Bluetooth SpeakerBrand: HuaweiSeries: NOVASpeaker diameter: 40mmBluetooth: Bluetooth 4.2Interface: Micro USBBattery capacity: 660mAhWorking time: >=4 hoursWeight: 101gSize: 50*50*56.3mmProduct list: host 1, charging cable*1, lanyard*1, manual*1.After powering on, double-click the button to enter the dual audio pairing mode to create a stereo sound effect.3W full-range speaker, loud and clear sound quality.Built-in independent microphone can be used for calls.Bass diaphragm design, showing high-quality bass effect, suitable for playing music.IP54 waterproof, daily waterproof and dustproof.Intelligent power-saving design, the product will automatically shut down to save power if no music is played for 30 minutes or the device is not paired for 5 minutes after booting.