X9 wireless Bluetooth 5.0 headphones with microphone inside ear sports water-resistant earphones TWS headset with Bluetooth feature manual

Product details: Specifications: Type of headphones: Both left and right ears can be used Wireless version: V5.0 + EDR Wireless profiles: Hands-free / Headset Support protocols: HEP / HSP / A2D / AVRCP Transmission range: More than 10 meters Battery type: Rechargeable lithium battery with 55mAh capacity Charging time: about 1-2 hours Working time: music 4-6 hours (volume level will affect the time) Standby time: about 100-150 hours Frequency range: 2.40-2.48 GHz Distortion factor: ≥1% Frequency response: 20Hz-20kHz Wearing modes: in-ear / hidden headphones Color: black, white (optional) Package includes: 1 * small wireless earphone (one earphone) 1 * USB charging cable 1 * user manual Notes: 1. Due to differences between screens, the actual color of the item may not reflect the picture. We guarantee the pattern is the same as shown in the images. 2. Please allow slight differences in measurement due to manual measurement. If you have any questions about the products and orders, please contact us in a timely manner, and we will respond and assist you as soon as possible.