K6 Wireless Bluetooth Microphone Portable Handheld Microphone Speaker Machine for PC Smartphones                       Feature:     1. The excellent design of our karaoke wireless microphone is very suitable for handheld, comfortable grip and not easy to slip off.      2.   It can be used as a microphone or as a speaker, player and recorder, compatible with various singing applications.      3. Multifunction buttons, easily switch between different models, adjust the volume, sing and play music. With reply sound mode, it can bring surround immersion.      4. Support storage card up to 32GB (not included), support song switching. The Bluetooth connection distance can reach 10m.       5. 2000mAh rechargeable multi protection lithium battery to ensure longer singing time. Faster charging and longer battery life.             Specification:             Item Type: Bluetooth Microphone  Model: K6  Material: ABS  Function: Bluetooth Microphone, Loudspeaker  Scope of Application: Smart Devices with Bluetooth  Pickup: Capacitive  Reverberation Mode: Reply Sound Effect Reverberation  Bluetooth Version: V5.0+EDR  Memory Card Playback Format: MP3, WMA, WAV  Transmission Distance: ≤10m / 32.8ft (Obstacle Free Distance)  Working Frequency: 2.402G-2.480GHz  Transmitting Power: 4dB  Receiving Sensitivity: -85dB  Signal to Noise Ratio: ≥80dB  Distortion: ≤3%  Output Power: 3W+3W  Speaker Specifications: 40mm 4Ω/3W  Frequency Response Range: 100Hz-18KHz  Microphone Built In Battery: Polymer Lithium Battery  Battery Capacity: 2000mAh  Charging Time: About 3 Hours  Playing Time: About 3-5 Hours  Sound Source Input: Bluetooth, Memory Card, Line In  Memory Card: ≤32G (Not Included)                    Package List:      1 x Microphone      1 x Charging Cable      1 x 3.5mm to for Android Interface Cable      1 x Manual