[Earphone & Speaker]TWS Sports Wireless Dual bluetooth Earphone With Charging Box & Speaker

Features: 1. It's not only a bluetooth earphone, but also a mobile speaker. 2. Using touch button design, easy to control. 3. Professional tone tuning technology offers high fidelity stereo sound effect with rich details, perfect for vocal music and deep bass. 4. With a 600mAh charging box which also be a speaker, never worry that your earphones will be dead. 5. Light weight, no pressure on your ears while put them on. Specifications: General Specification Brand Calion Model T1 Color Black Wearing Type In-ear Net Weight (g) 200 Dimensions (cm/ inch) 5.7cm*5cm*6.2cm Technical Parameters Microphone Yes bluetooth Version V4.2 Transmission Distance 10m Receive Sensitivity 95dB Impedance 16 Frequency Response 2.40MHz-2.48MHz Battery Capacity Charging Box: 600mAh, 3.7V Single earbud: 50mAh Charging Time (h) 1.5h Working Time (h) 2h Standby Time (h) 48h Package Included: 1*TWS Earphones 1*USB Charging Cable 2 Pairs of Earmuff 1*User Manual