[True Wireless] ESON Style W13 Double bluetooth Earphones Bass Headphones with 2200mAh Charging Box

Features: 1. Compliant with bluetooth 4.1 + EDR, supporting HSP / HFP / A2DP / AVRCP protocol. 2. Support phone handsfree function. 3. Specification: (bluetooth function) all in one function button and 2 LED (blue) (red) left / right (multi-function key / play / pause). 4. Channels: two-channel 5. Speaker Unit: OD 8mm, internal magnetism User parameters: Headset charging time: about 30min Charging box charging time: about 2-3h Single headset playback time: Listen to music about 2 hours or more Call about 2.5 hours Battery box for headset charging 15-30 times Standby time: more than a week Specifications: General Specification Brand ESON Style Model W13 Color Black Wearing Type In-ear Net Weight (g) 150g Dimensions 73mmx30mmx45mm Technical Parameters Microphone Yes bluetooth Version V4.1 Transmission Distance 10m Rated Power 10mW Receive Sensitivity 90dB Impedance Frequency Response 20-20kHz Battery Capacity Charging Box: 2200mAh, 3.7V Single headset: 40mAh Standby Time (h) More than a week Package Included: 1* [True Wireless] ESON Style W13 Double bluetooth Earphones with Charging Box 1* USB Charging Box 1* Manual