[Extra-long standby 120 days], you can listen to songs and talk continuously [48 hours]. Universal all Bluetooth-enabled mobile phones, using 420 mAh, high-end polymer lithium battery, 8.4 times higher than the 50 mAh battery of ordinary Bluetooth headsets! Low power consumption, stable signal 4.1 Bluetooth version, strong compatibility, universal all smart equipment. Headphone configuration: ear hook*2, ear cap*1, manual*1, Bluetooth headset*1, original charging cable*1. Brand: BLASTWAVE Wearing style: earplug style Waterproof level: IPX4 Headset category: business call headset Lifetime: more than 36 hours Transmission distance: 8m (inclusive)-10m (not included) Bluetooth function: Bluetooth 4.1
