Item Type: Multifunctional Bluetooth Clock SpeakerModel: D-88Material: ABSBluetooth Version: 5.0Speaker: 4 3WPower Input: 5V / 1AOutput Power: 3W Total Harmonic Distortion=10%Battery Type: 3.7V 18650 Rechargeable Lithium BatteryBattery Capacity: 1400mAh Built-in Lithium BatteryFrequency Response: 80Hz-20KHzSignal to Noise Ratio: 85dBDistortion: <0.5%Receiving Audio Frequency Segment: 87.5-108MHzConnection Distance: About 10 Meters (Without Obstacles)Playing Music: About 5-7 HoursStandby Time: About 20-40 HoursCharging Time: About 4 HoursFunction: Mirror, Bluetooth, Adjustable Brightness, Display Clock, Dual Alarm Clock, Temperature, Support Memory Card Playback, Collection Broadcast, Built-in Fm Radio, Can Be Used As Mobile Phone Holder, Payment Codes Card Slot, Mobile Phone Call Answering, Aux Audio InputCard Function: Support Mp3 Format, Support 32g Maximum Capacity(Not included)Scope of Application: Suitable for Bedrooms and Offices, etc.Package List1 x Bluetooth Clock Speaker1 x Charging Cable1 x Manual1ABS material, mirror design, drop proof, durable and fashionable. The bottom silicone is non slip. Prevent secondary noise caused by low frequency oscillation. 2Not only Bluetooth speakers, but also mirror design, Bluetooth, adjustable brightness, display clock, dual alarm clocks, and temperature. Can be used as a mobile phone holder. 3Support Bluetooth 5.0 technology, compatible with all Bluetooth connected devices, enjoy music anytime, anywhere. The bass and large diaphragm speakers create a three-dimensional and powerful bass effect. 4Supports three different brightness adjustments, reading before going to bed, and sleeping with you after going to bed; the brightness can be adjusted flexibly. The brightness adjustment is just right. 5In addition to listening to music, it also increases the pleasure of hearing. Listening to your favorite radio stations, current events and funny jokes in your free time will add to your fun.