Firstsing Bluetooth Headset TWS True Wireless Earphones Mini Earbuds Stereo Headphones IPX5

Bluetooth highest : V4.2
Bluetooth supported: HFP,HSP,A2DP,AVRCP ,AAC,TWS
Barrtey of headset: 45mAh Li-polymer battery X2
Battery of base:460mAh Li-polymer battery
Operation Range:up to 10 meters
Talk time:up to 4.5 hours
Music playing time:up to 4.5 hours
Charging Headset times from charging base:3~4times
Standby time:up to 50 hours
With the True Wireless In -Ear Stereo headphones, wireless music fun is finally becoming a reality. The two In -Ear headphones automatically connect and only need to be connected to your smartphone!
The wireless in -Ear design provides full sound without disturbing outside noise, with clear heights and saturated basses, so that you can experience your music completely again. The headphones are also ideal for telephoning. a microphone is integrated in each earpiece. Conversations are recorded directly at the headset; the music playback pauses automatically.
Ideal also for telephoning: a microphone is integrated into every earpiece. Conversations take place directly at the headset - the music playback pauses automatically.
2in1 storage and loading case: Powerbank with 460 mAh capacity allows you to load your headset if you do not use it. Up to four times, even on the road without a connection to the power grid.