DescriptionThis awesome mini wireless earphone will be a wise choice for you to look for. 8-12 meters working range allows you to enjoy music or make a call when you are doing exercise. Get one to bring novelty to your life!Features- Color: Pink and white. - Material: Plastic. - Size: 4.70X2.00X1.50cm/1.85X0.79X0.59 inch. - V4.1+EDR technology, backward compatible with 4.0 and 3.0 and more multiple protocols, which ensures efficient and stable data transmission. - Works well with most -enabled devices such as mobile phones, tablets, computers and more. - Invisible, smallest and ultra light design. Get free from wire binding up, bring more convenience when working out, doing sports and other activities. Get rid of the trouble wire bring. - Comfortable and ergonomic: Silicone earbuds for comfortable wearing to relieve fatigue and keeping your earphones in place securely. - USB charging dock can charge the earphone, magnetic charging. After being fully charged, you can use your headphones continuously for a long time.Specification- Use range: The front is 12 meters (no barrier), the back is 8 meters. - Battery capacity: 50mAh. - Play music: More than 3 hours. - Talk time: More than 4 hours. - Standby time: 100H. - Charging time: 1.5H. - Frequency range: 2.402G-2.480G. - Support protocol: APTX/HFP/HSP/A2DP. - Output impedance: 50 ohms. - Charging voltage: 3.7V. - Working current: 15-16mA. - Ambient temperature: -20/+60. - Waterproof rating: IPX4.