Overview: 1. Fantastic speaker design system, amazing dual power supply built-in low frequency amplifier design, the mid and low frequencies are more shocking, and the sound quality is better: 2. Advanced use of Bluetooth audio decoding chip, support for mobile phones, tablets, other Bluetooth devices to pair to play music, Bluetooth transmission Distance of 10 meters: 3 Hands-free call support function, built-in high-sensitivity microphone, so that mobile phone calls have a very smooth call enjoyment 4. UFIDA supports TF disc music card playback, MP3 decoding, and full support for MP3 playback frequency code format: 5. FM automatically searches and stores radio stations, with built-in FM radio module. Can automatically search and save radio stations, saving time and effort: 6. Support AUX audio input, provide you with PC speaker function: 7. Support TWS series connection function 8. With Bluetooth headset charging compartment Product Information: Bluetooth specification: V5.0 Wireless transmission range: 10M Battery capacity: 500Mah Built-in voltage: 3.7V Playing time: about 1H Speaker specifications: 52MM Speaker power: 5W Charging input: 5V/500MA Single machine size: 98*98*38MM Single machine weight: about 175G Packing list： Wireless Headphones*1