Bluetooth Version: Bluetooth V4.2 + EDR - Bluetooth Frequency: 2.4GHz - Mic Sensitivity: 42dB - Bluetooth Connect Distance: 12m - Stand-by Time: 100H - Play Time: 5 - 6H - Charging Time: 1 - 2H - Working Temperature: 10 - 50 Deg. C - Earbud
Battery Capacity: 50mAh - Charging Base Battery: Li-ion Battery - Charging Battery Capacity: 950mAh - Operating voltage range: 3.0 V-4.2 V - With A2DP / AVRCP protocol for stereo audio transmission and high quality remote control
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