1, Bluetooth 5.3; chip: JL AC6983D2 2. Battery capacity: charging case 320mAh; Headset 40mAh 3. Use time: 7 hours; Standby time: 180 hours 4, Size: 58*49*25mm; Total weight: 50g 5, support master-slave switching, summon Siri Features: 1, Bluetooth 5.3 chip, new Bluetooth connection technology, lower power consumption, lower delay, more stable connection. Master-slave switching technology, machine that is connected back to the left and right ear any fast use. Seamless cut stable. Simple and casual 2, 13rn composite fiber PU diaphragm moving coil large speakers, outstanding resolution, power sea sea, three soaring balanced and Novo, sound fuller and more delicate 3. Open fish boot, automatic pairing, headphones into the charging bin closed cover automatically shut down. Support music playback / smart stop, up and down song cut family, call the night Sir operation, double ring call Pakcing list : Bluetooth Earphone *1 Charging cable *1 Instruction *1

Hign-concerned Chemical none Material PVC,ABS Weight[g] 50 Battery Capacity[mAh] 320 Battery life up to[hours] 180 Voice assistant built-in YES Maximum wireless range[m] <10m Sound Isolating YES Category Earphones & Headphones Charging Method cable Driver Diameter 13mm Impedance Range up to 32 Ω Bluetooth Version 5.3 Package List User Manual,USB Type-C Adapter Features With Microphone With Microphone Yes Is wireless Yes Waterproof Yes Resistance 32Ω Frequency Response Range 20 - 20000Hz Sensitivity 98dB Plug Type Line Type Active Noise-Cancellation No Volume Control Yes Control Button Yes Vocalism Principle Hybrid technology Wireless Type bluetooth Connectors Type c Communication WireLess Style In-ear Origin Mainland China Brand Name BOROFONE Bluetooth 5.3 Size 58*49*25mm weight 50g