
MINI BLUETOOTH HEADPHONES WITH IPHONE POWER BANK Product parameters: 1.Model name: M2D 2.Version: 5.0 3.Working voltage: 3.4~4.2V 4.Transmission distance: 10~15m 5.Impedance resistance: 16Ω 6. Sound: Φ8mm 7.Microphone sensitivity: -38DB±2DB 8.Frequency: 2.4-2.48GHZ 9.Audio transmission format: A2DP / HFP / HSP / AVRCP 10.Headphones battery capacity: 60mAh 11.Charging case battery capacity: 1200mAh 12.Listening time: 4-5 hours 13.Standby time: 200 hours 14.Charging box to charge the headset: ~8-9 times 15.Earphone charging time: ~1-2h 16.Charging box charging time: 1-2h 17.Charging box input power: 5V-1A 18.Charging box output power: 5V-1A 3. Light indicators Earphone indicator status: Power on: blue light flashing Pairing status: red and blue lights flash alternately Working status: no light flashing Charging: long red light Fully charged: Blue light off after 1 minute Off: red light flashes. Black color