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Ergonomic design: the excellent design of our karaoke wireless microphone is very suitable for handheld, comfortable to grip and not easy to slip. Built-in Bluetooth module: it can be used microphone or speaker, player and recorder and is compatible with various vocal applications. Easy to use: multi-function buttons, easy to switch between different models, adjust the volume, sing and play music. With the response tone mode, it can bring surround immersion. High compatibility: supports memory cards up to 32GB (not included), supports switching songs. The Bluetooth connection distance can reach 10 m. Rechargeable battery: rechargeable 2000 mAh lithium battery with multiple protection for a longer singing time. Faster charging and longer battery life. › See more product details; Product description Use: Turn on the Bluetooth connection and use it. Specification: Item Type:Bluetooth Microphone Model: K6. Material: ABS Function: Bluetooth microphone, speaker Scope of application: smart devices with Bluetooth Pickup: capacitive Reverberation mode: response sound effect reverberation Bluetooth version: V5.0+EDR. Memory card playback format: MP3, WMA, WAV Transmission distance: ≤ 10 m / 32.8 ft (obstacle-free distance). Operating frequency: 2.402G-2.480GHz Transmission power: 4 dB. Reception sensitivity: -85 dB. Signal-to-noise ratio: ≥80 dB. Distortion: ≤3%. Output power: 3 W + 3 W. Speaker specifications: 40mm 4Ω/3W Frequency response range: 100 Hz - 18 kHz. Microphone Built-in Battery: Polymer Lithium Battery Battery capacity: 2000 mAh. 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 3.5 mm for Android interface cable. 1 x user manual (English language; Product description Use: Turn on the Bluetooth connection and use it. Specification: Item Type:Bluetooth Microphone Model: K6. Material: ABS Function: Bluetooth microphone, speaker Scope of application: smart devices with Bluetooth Pickup: capacitive Reverberation mode: response sound effect reverberation Bluetooth version: V5.0+EDR. Memory card playback format: MP3, WMA, WAV Transmission distance: ≤ 10 m / 32.8 ft (obstacle-free distance). Operating frequency: 2.402G-2.480GHz Transmission power: 4 dB. Reception sensitivity: -85 dB. Signal-to-noise ratio: ≥80 dB. Distortion: ≤3%. Output power: 3 W + 3 W. Speaker specifications: 40mm 4Ω/3W Frequency response range: 100 Hz - 18 kHz. Microphone Built-in Battery: Polymer Lithium Battery Battery capacity: 2000 mAh. 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 3.5 mm for Android interface cable. 1 x user manual (English language; Use: Turn on the Bluetooth connection and use it. Specification: Item Type:Bluetooth Microphone Model: K6. Material: ABS Function: Bluetooth microphone, speaker Scope of application: smart devices with Bluetooth Pickup: capacitive Reverberation mode: response sound effect reverberation Bluetooth version: V5.0+EDR. Memory card playback format: MP3, WMA, WAV Transmission distance: ≤ 10 m / 32.8 ft (obstacle-free distance). Operating frequency: 2.402G-2.480GHz Transmission power: 4 dB. Reception sensitivity: -85 dB. Signal-to-noise ratio: ≥80 dB. Distortion: ≤3%. Output power: 3 W + 3 W. Speaker specifications: 40mm 4Ω/3W Frequency response range: 100 Hz - 18 kHz. Microphone Built-in Battery: Polymer Lithium Battery Battery capacity: 2000 mAh. 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 3.5 mm for Android interface cable. 1 x user manual (English language