1、WIDE APPLICATION: Bluetooth live sound card set, can be used for family karaoke, voice chat and live broadcast, etc., plug and play, has strong practicability. 2、NOISE REDUCTION: Built in for DSP dual noise reduction chip and reverberation to avoid the impact of current noise on the sound and ensure high sound quality. 3、MULTIPLE FUNCTION: This recording mixer is equipped with 6 tuning knobs, 16 kinds of live effects, 8 interesting models, breathing indicator and LED level indicator. 4、DEVICE SUPPORT: Support one or dual mobile phone live, mobile phone and computer synchronous live, computer accompaniment and mobile phone live. 5、POWER SUPPLY: With 1000mAh lithium ion battery, and support 5V USB charging, support condenser and dynamic microphones, convenient and durable. 1 x Sound Card1 x Charging Cable2 x Micro USB to 3.5mm Cable1 x User Manual Item Type: Sound Card SetProduct Material: MetalUSB Charging: 5VBattery Capacity: 1000mAh Lithium Ion Battery (with built in battery)Supported Microphone Type: Condenser type, dynamic typeBluetooth Version: V 4.0Product Size: Approx. 14.5 x 10.8 x 4.5cm / 5.7 x 4.3 x 1.8in