Wireless Bluetooth Smart HeadsetNew Bluetooth 5.0, Bluetooth 5.0 is more stable than 4.2 signals, does not block and has a longer transmission distance.Extended to 40 hours of battery life, the headset's battery is upgraded from 40mA to 50mA, a single charge can reach 6-8 hours of talk and listening, and the charging compartment has 4 additional battery lives.Upgrade intelligent non-destructive noise reduction.Autonomous monitoring recognizes noise and optimizes background sound to create a clean atmosphere, allowing you to listen to every note.Binaural call, auto power on, auto connect as soon as the headset is taken off it will auto power on and pair, and when placed in the charging compartment, it will power off.It fits the design of the auricle and weighs only 4 grams. The appearance matches the ergonomic design of the ear cavity to ensure there will be no pain when worn for long periods.Easily call Siri, support easy phone contact with Siri and Android voice assistant, healthier and more convenient to use.How to use: touchMusic: Click - Play / Pause Double click - NextCall: click - pick up - long press - rejectVoice assistant: left ear or child touching for a secondIPX7 waterproofUpgraded waterproof cavity structure, bluetooth headset that can swim, sweat and dustThe headphones are small and compact. The headphones use a specially designed HIFI micro-sound unit. Only 6mm sound unit achieved the HIFI sound effect of large headphones. Compatible with a variety of devices, iOS power display. Industry standard waterproof level detection, swimming, raining, washing and cleaning.Mini portable cargo compartmentA single headset with a charging chamber in the Dido J1 can play music for about 40 hours, talk time about 30 hours and standby time about 300 hours.Load compartment: 70 g. Single earphones: 4 gSound-acoustic diaphragm: aluminized diaphragm made of liquid crystal polymerSound unit: custom 6mm miniature full frequency unitAcoustic structure: closedFrequency response: 50 Hz - 24 kHzResistance: 32 OhmSensitivity: 101 dB SPL / 1 mWMaximum output capacity: 30 mW (IEC)Bluetooth 5.0 connection, effective distance within 15m, support for headset (HSP1.2) Hands-free (HFP1.6), A2DP1.3 and AVRCP1.6 charging system charging compartment: microUSB interfaceAudio AAC, mSBC, SBC and CVSD audio codec