Bluetooth noise-

[Core] : BES2300ZP     Bluetooth version: V5.0

[Bluetooth reception distance] : 10 meters in standard environment

[Noise reduction depth] : 25dB

[Penetration depth] : 5dB

[Charging interface] : Type-C

[Noise reduction depth] : 25dB

[Transmission range] : 10 meters

[Duration of headphones] : 8 hours

[Duration of listening: 4-5 hours

Battery capacity of charging bin :500mAh

[Charging tank charging times] : 3 times

[Headphone capacity] :45mah

[Charging time] : 2h in charging bin and 1.5 hours for headphones

Standby time: 400 hours

[Waterproof test] : IPX4

[Product weight] : net weight 43G, with packing 116G

[Color] : black and white

[Support protocol] : HSP/HFP/A2DP/AVRCP

[Support functions] : Automatic switch, dual ear call, switch function, android and iPhone/iPad/iPod power display, low power alarm