Specification: Item Type: Bluetooth Microphone_x000D_Model: K6_x000D_Material: ABS_x000D_Function: Bluetooth Microphone, Loudspeaker_x000D_Scope of Application: Smart Devices with Bluetooth_x000D_Pickup: Capacitive_x000D_Reverberation Mode: Reply Sound Effect Reverberation_x000D_Bluetooth Version: V5.0+EDR_x000D_Memory Card Playback Format: MP3, WMA, WAV_x000D_Transmission Distance: 10m / 32.8ft (Obstacle Free Distance)_x000D_Working Frequency: 2.402G-2.480GHz_x000D_Transmitting Power: 4dB_x000D_Receiving Sensitivity: -85dB_x000D_Signal to Noise Ratio: 80dB_x000D_Distortion: 3%_x000D_Output Power: 3W+3W_x000D_Speaker Specifications: 40mm 4/3W_x000D_Frequency Response Range: 100Hz-18KHz_x000D_Microphone Built In Battery: Polymer Lithium Battery_x000D_Battery Capacity: 2000mAh_x000D_Charging Time: About 3 Hours_x000D_Playing Time: About 3-5 Hours_x000D_Sound Source Input: Bluetooth, Memory Card, Line In_x000D_Memory Card: 32G (Not Included) Features: 1Ergonomic Design: The excellent design of our karaoke wireless microphone is very suitable for handheld, comfortable grip and not easy to slip off. 2Built In High Quality Bluetooth module: It can be used as a microphone or as a speaker, player and recorder, compatible with various singing applications. 3Easy to Use: Multifunction buttons, easily switch between different models, adjust the volume, sing and play music. With reply sound mode, it can bring surround immersion. 4High Compatibility: Support storage card up to 32GB (not included), support song switching. The Bluetooth connection distance can reach 10m. 5Rechargeable Battery: 2000mAh rechargeable multi protection lithium battery to ensure longer singing time. Faster charging and longer battery life. PackageList: 1 x Microphone 1 x Charging Cable 1 x 3.5mm to for Android Interface Cable 1 x Manual