Features 1. The latest Bluetooth V5.0 chip, high fidelity stereo sound, stunning bass effect, clear and stable continuous calls2. Ultra low power consumption, continuous music playback for 14 hours3. Fast and stable transmission speed, with unobstructed transmission distance exceeding 20 meters4. There are English voice prompts for startup, shutdown, successful pairing, low battery, maximum volume, etcSpecifications:1) Material: Polar Fleece2) Bluetooth: Bluetooth V5.0, with EDR \ A2DP \ AVRCP and HFP Tech. Stereo sound output.3) Transmission Range: 20M/66Ft 4) Rated Power: RMS 10mW x 2;5) Speaker Unit: 32/20mm;6) Frequency Response: 20HZ-20KHZ;7) Battery: 3.7V/180mAh Rechargeable Li-polymer Battery;8) Play Time: 14 Hours; 9) Charge Time: DC 5V Approx 120 Minutes;10) With Over current, Overcharge & Overheat Circuit Protection Design on PCB.11) Functions: Next Song/Previous Song, Volume Up/Volume Down, Play/Pause, Answer/Hang Off, Redial.12) With Voice Prompt When Power On, Power Off, Pairing, Connected, Disconnect, Max Volume. Package Include: 1 x Headscarf with Bluetooth earphones 1 x USB charging cable 1 x Instruction Manual