Amazon.com: Sennheiser Consumer Audio CX 6.00 BT Wireless in-Ear Headphones, Bluetooth 4.2 with Qualcomm Apt-X, 6-Hour Battery Life, 1.5 Hour Fast USB Charging, Multi-Connection to 2 Devices, Black : Electronics
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Sennheiser Sennheiser Bluetooth canal type earphones CX 7.00BT NFC · Bluetooth support / aptX / neck band-type CX7.00BT - want.jp