LED Digital Display Wireless In-Ear Noise Reduction Long Life Bluetooth Headset 1. Upgraded Bluetooth 5.0, stable transmission, simple connection, binaural HD calls 2. 9D sound, low latency, low power consumption headset, intelligent noise reduction, NFC function 3. LED power display, real-time sense of power, intelligent voice prompts, real-time sense of the status of the headset 4. Fingerprint touch control, more comfortable and safe operation 5. Large-capacity charging compartment, the use of energy-collecting compartment design built-in high-capacity lithium battery, long-lasting life, can be charged for cell phones 6. One cabin multi-purpose, charging cabin even with cell phone bracket, support put, put vertical 7. 7 waterproof, memory pairing, fully compatible 8. Binaural separation design, single and double free switching 9. Ergonomic design, fit the ear canal, wear comfortable and senseless Parameter description: 1. Bluetooth protocol: 5.0 2. Transmission range: 10-15m 3. Battery life: 4-8h 4. Charging capsule for headphones charging times: about 40 times 5. Cumulative playback time: about 180h 6. Waterproof performance: IPX7 7. Packing list: a pair of bluetooth headphones, charging compartment, a data cable, three pairs of ear caps Instructions for use: 1. Switch music: touch the headset 2 times to switch up and down the song 2. Answerhang up: touch the headset to answerhang up 3. Call Siri: Touch the headset for 2 seconds to call the assistant. 4. Play and pause: Touch the headset to play and pause. 5. Volume Adjustment: Touch the headset three times to adjust the volume 6. Turn onoff: Touch the headset for five seconds to turn onoff the phone.