1. Subvert the traditional eight functions and enjoy the beauty of technology 2. The has come to feel the sound of technology 3. Safe, and long-lasting battery life Built-in 1800Mah lithium-ion battery, double MoS tube protection standby to 168 hours, play to 4-8 hours 4. Advanced aesthetic design, exquisite workmanship and originality 5. Black technology comes with a new smart A chip, no need to connect wifAl voice intercom, knowledge encyclopedia, news, radio, Gaode navigation, QQ music on demand 360° sealed sound chamber design chamber isolates 99% of noise Upgrade the chip to open the of speed and adopt the new Bluetooth 51 chip + HT83716W high-power decoding chip to restore the three-tone balance High-end configuration, both internal and external, 40MM18-core NdFeB speaker with strong bass and beautiful sound Applicable scene:home Connection method:Bluetooth connection Frequency response range:40Hz-20KHz Number of speakers:1 Power mode:USB Rated power:below 10W Rated voltage:220V