ITEM NAME:F9-12 Bluetooth Earphones Power Display Touch Microphone In-Ear Headset w/ Rope Product Description Description: F9-12 Wireless Bluetooth Earphones Power Display Touch Waterproof Microphone In-Ear Headset for Music Sports with Rope Features: 1. The modified headset uses Bluetooth 5.0 version, which can provide high-speed data transmission and stable performance. 2. 10m/32.81ft effective transmission distance allows you to make clear calls. The high sensitivity of the microphone can help you easily achieve hands-free calling. 3. The high-end speakers bring powerful bass, which will bring you the wonderful pleasure of listening to music. 4. 4 hours, Super long time for Listening. 5. Function: Touch control, switch songs, volume adjustment, call voice assistant, answer / end call, automatically connect to mobile phone Bluetooth. Specification: Model: F9-12 Colour: Black Material: ABS + PC Bluetooth Version: 5.0 Impedance: 32ÃŽ © Sensitivity: 123dB Frequency Response: 20-20kHz Waterproof: IP68 Charging Bin Capacity: 1200mAh Headphone Battery Capacity: 50mAh Play Time: 4H Standby Time: 100 H Charging Interface: Micro USB Effective Distance: 10m/32.81ft Charging Power: AC Input 110-240V DC Output 5V Weight: 130g Packing Size: 12 X 10 X 4cm/4.72 X 3.94 X 1.57" Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3mm measuring deviation due to manual measurement. Included: 1 Pair X Earphones 1 X Charging Bin 1 X Charging Cable 1 X Manual.The modified headset uses Bluetooth 5.0 version, which can provide high-speed data transmission and stable performance. 10m/32.81ft effective transmission distance allows you to make clear calls. The high sensitivity of the microphone can help you easily achieve hands-free calling.