These streetz semi-in-ear TWS headphones have microphones and touch buttons for easy handling of calls and media. The design is stylish and the headphones have an ergonomic fit to sit comfortably in the ears even during long-term use. Easily connect via Bluetooth to listen to your favorite music, podcast, or have conversations for up to 4 hours — or 12 hours with the included charging case. The compact charging case is easy to carry in your bag or pocket. - Semi in-ear TWS headphones from Streetz - Built-in microphone and touch buttons Ergonomic fit and stylish design Species: Color: Black Material: Plastic Dimensions, packaging: approx. 12 x 3 x 12 cm Bluetooth: v5 Impedance: 16 Ω Wireless range: 10 m Charge time: approx. 2 h Sound sensitivity: 98 dB ± 3 dB Standby time: approx. 20 h Charging port: USB Micro-B (5 V DC, 500 mA) Must and talk time: 3-4 h (12 h with charging case) Frequency range, headphones and microphone: 20 Hz- 20 kHz Battery, Headphones: 3.7 V/30 mAh Li-ion Battery, charging case: 3.7 V/300 mAh Li-ion Package Contains:<br>< >1x Pair of Headphones 1x Charging Case 1x USB Cable 1x User Manual (English)<br>< >