i12 TWS Double V 5.0 Bluetooth Ear Pods Wireless Earbuds Twins Earphones Wearing TypeIn-Ear Wireless Type Bluetooth Compatible Devices Not Specified Flexible, light weight, comfortable fit and durable design. Best choice when you do sports. Adopt true wireless technology, enjoy your sports. Double-ear main and subsidiary earpiece design, innovative and excellence. Intelligent charging box provides fast charge, worry free for endurance. Strong compatibility and compatible with devices as long as they are Bluetooth sup Caller ID, the last call back, all intelligent Chinese and English voice prompts, boot, pair, shut down the phone power will be low voice prompts;The IOS systems phone power display, you can always watch the headset power situation, do not worry about the headset no electricity to make yoOne to two connections, can be connected to two mobile phones;Bluetooth headset every time connected to the phone after the shutdown, and then open the Bluetooth headset will automatically connect back to the phone, but also more convenient;