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Headset DEFENDER Twins 638 wireless in-ear headphones, Bluetooth 5.0, talk time 2 h, black
Summary description:
DEFENDER Twins 638 is a wireless in-ear headset designed for calls and music. It uses Bluetooth 5.0+EDR with AVRCP and a 10 m wireless range. Closed acoustic system with 1 cm drivers covers 20–20,000 Hz; sensitivity 98 dB. Built-in microphone (100–16,000 Hz, 42 dB) provides talk time up to 2 hours. Compact and lightweight (40 g) for everyday mobile use.