Philips Tah4205 Wireless Bluetooth On-Ear Headphones with Mic H4205 Features 32mm drivers/closed-back On-ear Bluetooth® BASS boost button. Stronger bass at a touch These on-ear headphones boast powerful 32 mm neodymium acoustic drivers that give you crisp sound and rich bass. When you want more, simply press the BASS boost button and you'll feel the difference instantly. 29 hours play time. USB-C charging You get up to 29 hours play time from a 2-hour charge via USB-C. If you start running low on power, a quick 15-minute charge will keep the music playing for another 4 hours. Lightweight, adjustable cushioned headband Available in stylish matte colorways, these on-ear headphones boast a cushioned headband that's so light you'll barely feel it. The soft ear cups are clearly marked for left/right ears, and can be angled until they feel just right. Flat-fold design for easy storage Roll with the bass. The ear cups fold flat and swivel inward, for easy storage in your pocket or bag. Just fold them up and you're ready to go. Multi-function button. Easily control music and calls Don't like the current track? Skip it with a long press. Want to reject a call? A simple button-press takes care of that. Smart Bluetooth pairing means these earphones remember the last devices they were paired with. Smart pairing. Automatically find Bluetooth devices One long press of the multi-function button gets these wireless Bluetooth headphones ready to pair. Once they're paired, the headphones remember the last device they were paired with. Compact foldable design for easy portability Real compact foldable which is excellent for travel and let you tacke your music anywhere. Specifications Accessories USB cable USB-C cable Quick start guide Yes Connectivity Microphone Built-in microphone Bluetooth profiles A2DP AVRCP HFP Bluetooth version 5.0 Maximum range Up to 10 m Convenience Volume control Yes Call Management Answer/End Call Call on Hold Reject Call Power Battery type Li-Polymer Music play time 29 hr Standby time 166 hr Talk time 21 hr Sound Acoustic system Closed Diaphragm PET Impedance 32 ohm Magnet type NdFeB Speaker diameter 32 mm Frequency response 20 - 20 000 Hz Sound Enhancement Noise Reduction Type dynamic Sensitivity 110 dB