B9 TWS Wireless 8D Stereo Motion Headphones

Product features: 1. Second generation BT 5.0 chip 2. LED smart cool button light 3. 9D stereo HIFI bass surround 4. Magnetic pull-out charging box 5. Ergonomic design; will not fall when worn on the ear 6. Life waterproof; no matter whether it is sweat in the gym or outdoor sports in the rain, it will not cause damage to the headphones. 7. Support single/binaural use (left and right headphones have built-in microphones for independent voice calls) 8. The ergonomically designed headphone head with soft natural silicone earmuffs will not cause ear pain and other bad conditions even if you wear the headphones for a long time. Product Parameters: *Product Name: B9-TWS *BT version: BT 5.0 *Music / call duration: 3 hours *Charging box can charge the headset:4-5 times *Charging box capacity: 300mAh **Headphone single ear capacity: 60mAh *Sensitivity: 120dB *Impedance: 32Ω *BT transmission distance: 10 meters *Charging voltage: 3.7V Package Included: *1x Headset *1x charging box *3x earmuffs (large / medium / small) *1x Instruction manual *1x USB charging cable