B19 Bluetooth Headset Detachable Folding Bass On Ear Headset for PC Mobile Phone Studio

Feature: 1. Dual mode never power off, built‑in 400mAh battery, through the o cable can also be used as a wired earphone, so the earphone will never power off. 2. The large 40mm speaker unit driver combines magnets to deliver stereo sound, powerful bass, clear sound effects and crisp high sound. 3. Heavy bass, non‑directional noise reduction microphone, let you enjoy powerful bass and extreme comfort. 4. Ergonomic design with earmuffle, the foldable headband is not only designed to save your desk space, but also fits into the accompanying carrying case. 5. Suitable for wireless connection equipment, 3.5mm wired connection equipment PCmobile phone, studio, etc. Specification: Item Type: Bluetooth Headset (Delivered with Built-in Battery) Material: ABS Built-in Lithium Battery: 400mAh Chip: AC6921A5.0 Bluetooth Version: 5.0 Charging Voltage: DC5V Working Voltage: 3.7V Speaker: 32 Ohm Output Power: 90MW Frequency Response: 20Hz-20KHz Signal to Noise Ratio: more than 80dB Distortion: less than 1percent Talk Time: 6h Music Playback: 8h Standby Time: more than 30 Days Charging Time: 5h Application: Wireless Connection Equipment, 3.5mm Wired Connection Equipment PC Mobile Phone, Studio, etc.. Package List: 1 x Headset1 x Data Cable1 x Connection Cable1 x Manual