Bluetooth-compatible version: V5.2 version Chip: Jerry 6976 Battery: 90MAH Listening to songs: about 10 hours Talk: about 12 hours Distance: about 10 meters Charging time: about 1 hour Speaker: 32 Euro 0910 Frequency: 20Hz-20KHz Impedance: 32 ohms Sensitivity: 85dB/mW Waterproof grade: IPX 5 Bag weight: 22G Specifications: feature: [LED power digital display] Humanized design, easy to control the power of the headset, no longer have to worry about the headset can not see the power Immersive Music ExperienceThe 8-core driver enhances the sound quality, and the crystal-clear sound brings you as close as possible to the feeling of listening to your favorite music live. Stable and fast signal transmissionAdopt professional Bluetooth-compatible 5.2 chipset, low power consumption technology, stable signal transmission, prolong playing time. Comfortable In-EarErgonomic in-ear earbuds and ear hooks bring comfort, even if you wear it for a long time, it will not feel heavy, and the left and right ears can be adjusted according to different ear types IPX5 waterproof and sweat-proofheadphones support IPX5waterproof splash, sweat splash is not afraid, exercise headphones. Package Included: 1*Headphone 1*Charging Cable 1*Manual Notes: Due to differences between different monitors, the pictures may not reflect the actual color of the item. Compare the detail size with your size, please allow 1-3cm error due to manual measurement. If there is a problem with the product, please leave a message before giving bad feedback. Thanks for your understanding.