Crystal Digital i9s tws Bluetooth headset with Battery capacity 3.7V/60mAh Bluetooth  (White, True Wireless)

True Wireless Stereo headphones are the upgraded generation of the other version i7/i7s/i8, with longer battery life, smaller size, more stable connectivity. The charging box with transparent lid is smaller and more powerful than others, it allows you to charge on-the-go and get 14-16 hours music time Ultralight and ergonomic earbud design allows convenient long term use, they fit most ears, match all active lifestyles, including running, jogging, hiking, gym sports, cycling, and car driving. Perfect for hands-free calling and listening to news, music, movies, games, and audio book The Bluetooth 5.0 EDR technology and advanced acoustic components allow you to enjoy high-fidelity stereo sound, faster matching speed, stable connectivity, and lower power consumption. Noise cancellation technology reduces ambient noise and echo, ensures clear and nature sound no matter in calls or when listening to music Earphones Easy to Use I9-TWS wireless headphones are compatible with most bluetooth enabled devices, including iPhone Samsung Galaxy LG Huawei Honor Mi devices . The two earbuds can automatically connect with each other after turn on synchronously, and can automatically connect to your cell phone after first connection