B11 tws bluetooth headset

Name: TWS Bluetooth headset Plan: Luoda AB1536 Colour: Black Model: B11 Bluetooth version: V5.0+EDR Speaker: Ø10MM 16Ω 96dB±2dB Audio format: MP3 S/N ratio: ≥80db Battery (warehouse) capacity: 40mAh / 500mAh Music time: about 4 hours Talk time: about 4 hours Standby time: about 300 hours Wireless charging time of battery compartment: about 3 hours Transmission range: more than 10 meters Voice prompt: English Noise reduction: CVC 6.0 Support agreement: A2DP/AVRCP/HFP/HSP "Functions: LED display, wireless charging, automatic pairing, magnetic return to the warehouse, binaural direct connection, regardless of master and slave, automatic return connection, dual MIC noise reduction, echo cancellation, caller number, last number redial, power Display, can be used independently with one ear