Parameters: Model: L7 Output power: 5W Button life: more than 5000 times Chipset: Bluetooh-compatible V5.3 Jerry AC6965E Receive 6973 Bluetooth-compatible distance: 10M Support protocol: AVRCP1.4, A2DP1.2, HFP1.6, HSP1.2 Audio decoding: WMA, APE, FLAC, AAC, M4A, WAV, AIF, AIFC Bluetooth distance: 10m Frequency: 2.402GHz-2.480GHz Frequency Response Range: 20HZ-20KHZ Battery capacity: 1500mA/3.7 V Microphone Battery: 500MA Playback time: 3-4 hours Charging time: about 2 hours Charging interface: TYPE-C Features: - Intelligent compatibility with various APP and devices - Self-reverberation mode[, one key to eliminate the original sound - RGB flow colorful lighting different light effects to create a different atmosphere of joy - Connected to the TV, cell phones and other devices, easy to realize the dual-mic chorus function of the family instantly become KTV - Microphone preset 5 kinds of sound effects, you can experience different sound modes - Bluetooth-compatible 5.3 + TF card + AUX + U disk, easy to realize a variety of modes of playback cell phones, tablets, laptops, desktops can be used Package Included: 1 set* (1 audio, 1 charging cable, 2 microphones, 1 manual)