DC 3.7V Retro Bluetooth 5.0 Speaker with Smart O Voice Broadcast for MP3 TF CardGreen

Feature: 1. Bluetooth speaker with smart o, it supports for hands-free calling, multi-function intelligent voice broadcast and FM radio. 2. This speaker supports most o formats (MP3 TF cards) and provides high fidelity lossless sound in near-CD quality. 3. With classic retro mini record player design, it is lightweight and portable to take. 4. Being easy to use, plug and play, it is perfect suitable for application at home, office, car, etc. 5. You can stay away from the cable, with this wireless transmission mini speaker, and you can upgrade your o system right away without installation. Specification: Item Type: Bluetooth speaker Bluetooth: 5.0 Working Distance: Approx. 10M Voltage: DC 3.7V Signal to Noise Ratio: 75db Support: FM USB drive TF card speakerphone ( Built-in 500mAh battery) Color: Black Blue Red Green (optional) Package List: 1 x Speaker1 x USB Charging Cable1 x Lanyard 1 x Instruction Manual