SoundPEATS S1 Bluetooth Stereo Headphone - Supports Wireless Music Streaming and Hands-free Calling (Black)

• Bluetooth Specification v4.0+EDR class 2 • The latest version of A2DP1.2 and AVRCP1.0 profiles support • Supports Bluetooth Headset and Hands-free Profile(HFP 1.5) • RF Frequency Range: 2.402-2.480GHZ, 2.4G ISM band • Radio Performance: Receive Sensitivity of -90dBm, TX Power Max 4dBm • Frequency Response: 20 Hz - 20 KHz, Very high Signal to Noise Ratio (SNR):95 Db, Total Harmonic Distortion (THD):0.1% • 5 Button design: MFB, VOL+, VOL-, FWD, REV • LED Indicator Status: Blue, Red • Rechargeable 400mAh Li-Polymer Battery • Mini 5 Pin USB Plug charging Port • Charger adapter Output: DC 5V&200mA • Nominal charging time: Max 4 hours • Talk time: Up to 20 hours • Standby time: Up to 400 hours • Dimensions (main body): 54(diameter) x 23(H)mm • Weight: 71.2 grams • Operating Temperature: -10 oC - 50oC • Storage Temperature: -20 oC - 80oC