ITEM NAME:F9 TWS Wireless Bluetooth Earbuds Noise Reduction Touch Control Stereo Earphone Product Description Description: Feature: 1. The headset is Bluetooth 5.0, which can provide high-speed data transmission and stable performance. 2. The 10 meter effective distance transmission allows you to make clear calls, and the high sensitivity of the microphone can help you make handsfree calls easily. 3. The high-end speaker brings you powerful bass, which brings you wonderful fun to listen to music 4. Super long listening time for 4 hours. Functions: There are incoming call answering, hang up call registration, music pause / play, voice number reporting, last phone number redial, incoming call number reporting, intelligent voice prompt, power display, noise reduction Specification: Material: ABS + PC Model: F9 Bluetooth version: 5.0 Impedance: 32 ÃŽ © Sensitivity: 123dB Frequency response: 20-20KHz Charge box capacity: 3500mAh Playback time: 4H Standby time: 100 hours Charging interface: Micro USB interface Effective distance: 10m Charging power supply: AC input 110-240V DC output 5V Weight: 135g Package size: 12*8*3.5cm/4.72*3.14*1.37'' Color: Black Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. Included: 2 X Bluetooth Earbuds 1 X Charging Box 1 X Charging Cable 1 X User Manual.The high-end speaker brings you powerful bass, which brings you wonderful fun to listen to music. Included: 2 X Bluetooth Earbuds. The headset is Bluetooth 5.0, which can provide high-speed data transmission and stable performance.