In Ear Wireless Bluetooth Earphones, Intelligent Digital Display, Long Battery Life, Bluetooth 5.2 Sports Water Proof Bluetooth Earphones Features: 【Inteligent digital display be clear manifest at a glance】LED cold light is used to digitally display the quantity, and the quantity of earphone and charging bin. 【Regardless of and slave ,Take it out to listen】Both sides are the main headphones ,regardless of the main and the auxiliary ,pick up one to listen, pick up a pair of stereo. 【New upgrade to Bluetooth 5.2,Lightning connection speed】The delay is lower, the signal transmission is more stable, and the performance is fully upgraded. The transmission rate, distance, energy consumption, and stability are further improved, and delays and freezes are rejected. 【Long-lasting battery life,Strong power reserve】Fast charging for about one hour, you can play music for about six hours, and you don't need to wait for a long to listen. 【Ergonomic design ,Comfortable to wear without swelling and pain】Comfortably seat the auricle to isolate noise ,and wear without pressure or painIt.It is not easy to fall when strenuous exercise. Product Description: Product name:Bluetooth headset Product color:White Rated power: 5MW Headphone battery capacity :40mah Rechargeable battery capacity :2000MAH Frequency response range :20HZ-20KHZ Music time: about 6-8 hours Headphone charging time:about 1 hour Charging for chargingcompartment: about 2 hours Charging input: 5V / 1A Transmission distance :15 meters Standby time: about 140 hours Package size:12×10×3.6cm/4.7×3.1×1.4in Package weight:110g/0.24lb Product List: 1×Instruction 1×Charging cable 1×Bluetooth headset