Wireless Bluetooth Headset Low Latency Binaural Stereo Three Screen Digital Display Intelligent Noise Cancellation Earphone Features: Product name: Bluetooth headset Bluetooth: 5.3 Impedance: 32 Ω±15% Transmision distance: 10 m Frequency: 20 HZ-20 KHZ Sensitivity: 114 + 3 dB or 114 - 3 dB Charging time: 90 minutes Working voltage: 3.7 V-4.2 V Battery capacity: headset 30 mAh Charging compartment 600 mAh Speaker:8MM speaker Resistance: 32 ohms Connection disconnection tone: disconnected connect the phone successfully tone: connected Power consumption: headset fully charged can listen to songs and talk for 3 hours charging compartment can be charged headset 15 times Product size: 4x3x7cm/1.57*1.18*2.75in Package size: 11x9.4x4.5cm/4.33*3.7*1.77in Gross weight: 90g/0.19lb Product Description: Bluetooth 5.3 Technology - The Bluetooth headset uses the latest Bluetooth 5.3 chip. Stable data transmission and wide wireless coverage. all Bluetooth enabled devices. Great for gift giving. HIFI Stereo Sound Quality: The Bluetooth earbuds use the latest technology in the speakers and with their special construction both earphones can produce clear and stereo sound. You can use it in the gym office or outdoors. You can enjoy music anytime anywhere even in noisy environments. 7-level - no fear of sweat The earphone body with multi-process design reaches .life-class not afraid of rain not afraid of sweat sweat wind rain. Automatic pairing. Pick up the earphones from the charging case and the earphones will automatically pair when powered on. Then activate the phone s bluetooth to connect. the first connection is successful the sports earbuds will automatically connect to the last paired device . Designed for sports. The sports earbuds are comfortable and firm to wear. Where you do sports running other outdoor activities etc. Spare rechargeable battery: can charge the phone it can provide the headset ultra-long time range but also can charge the phone in case of emergency. Product Includes： 1 x Bluetooth Headset 1 x Manual 1 x Data Cable