2 to 5 business days
1. Clear call2. Support Bluetooth/TF card/3.5mm cable to play music3. Key operation, simple and convenient4. Built-in lithium battery for long life5. Hifi sound quality, pure and true sound6. Bluetooth 5.0 chip, high performance, low power consumption, no delay7. Fully compatible with Bluetooth-enabled devices.Product parameters:1. Drive: 40mm2. Impedance: 32ohm3. Bluetooth version: Bluetooth V5.04. Bluetooth frequency band: 2.4GHz5. Power level: Class II6. Bluetooth distance: barrier-free 10m7. Frequency response: 20-20000Hz8. Support protocol: A2DP/AVRCP9. Charging time: about 1 hour10. Talk time: about 3-4 hours11. Music time: about 3-4 hours12. Standby time: about 120 hours13. Battery capacity: 200mAh14. Charging interface: Micro USB