Philips UpBeat SHB2515 review: Makes a strong case with the battery - The Economic Times
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Amazon.com: PHILIPS UpBeat SHB2505 Bluetooth 5.0 Wireless in-Ear Earbuds, TWS Stereo with Up to 3+9 Hours of Playtime, USB-Quick Charging Case - Black (SHB2505BK) : Electronics
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Philips T2205 In-ear True Wireless Headphones with IPX4 Splash Resistant, Super-small Portable Charging Case, Built-in Microphone, Up to 12 Hours (4+8) Playtime, Works with Voice Assistants, TAT2205BK: Buy Online at Best Price
User manual Philips UpBeat SHB2515 (English - 16 pages)