Specifications: New TWS Bluetooth 5.0 Earphone Stereo Wireless Earbuds HIFI Sound Sport Earphones Handsfree Gaming Headset with Mic Use Bluetooth 5.0 connection, stable signal and clear talk. One button can complete any operation, including switch songs, answer/hang up call. IPX5 waterproof, suitable for sports or exercise use. Mini and compact, ergonomic in-ear design, not easy to fall and comfortable to wear. Adopt CVC8.0 noise reduction technology, intelligently filter the noise around. With Charge box, easy carry, convenient to charge it at any time. Features: Type: Twins Bluetooth 5.0 Earphone Speaker Impedance: 16 Ohms Speaker Frequency Response: 20Hz - 20KHz Speaker Rated Power: 3mW Sensitivity:121±3dB Talk Time (Medium Volume): 3 Hours Music Time (Medium Volume): 3.2 Hours Standby Time: 120 Hours Bluetooth Version: 5.0 Transmission Distance: 7-10m Power Consumption: 13-15mA Input Power: 93mW Headphone Charging Time: 2 Hours Battery Voltage: 3.2-4.2V Headphone Battery Capacity: 50mAh (Included) Charging Battery Capacity: 350mAh (Included) Cycle Chargeable Times: 2 Times Charging Time Outside the Charging Compartment: 1.2 Hours Microphone: Built-in Features: Portable, Mini, Wireless, with Mic, In-Ear, Noise Reduction, with Charge Box Package Includes: 2 x Bluetooth Earphones 1 x Charge Box 1 x USB Cable 1 x User Manual