D1-236

技术参数：
– BT v5.4
– BT IC: AB5756C
– Drive: 11mm composite membrane
– Impedance: 16 ohm ±15%
– Sensitivity: 100dB±3dB
– Battery in earbuds: 30mAhx2
– Charging Time: 2H
– Charging base: 230 mA