, Switch between Chinese and English., last number redial, IOS battery display, Playback time: 3.5H, multi-point connection, Standby time: about 100H, Rated power: 5MW, music switch, Bluetooth version: Bluetooth 4.1, Product net weight: 3.8g, Battery capacity: 50MA/H, Drive Unit: 6MM, Speaker impedance: 16Ω, Charging time: about 1.5H, Output sensitivity: 99+-3DB, MP3 player, Transmission distance: No obstacle 10 meters, Frequency Response: 50HZ-10KHZ, Support function: answer/hang up the phone, Microphone sensitivity: -42+-3DB.
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Banggood
Warehouse in China.
Link: Remax RB-T21 Mini Bluetooth 4.1 Earphone
Price: $-3
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